diff --git a/build.gradle b/build.gradle
index b11ef960..40b02596 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,6 +45,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-validation'
     implementation 'io.jsonwebtoken:jjwt:0.9.1'
+    implementation 'org.springframework.boot:spring-boot-starter-cache'
     compileOnly 'org.projectlombok:lombok'
     runtimeOnly 'com.h2database:h2'
     runtimeOnly 'mysql:mysql-connector-java'
@@ -79,7 +80,7 @@ jacocoTestCoverageVerification {
             limit {
                 counter = 'BRANCH'
                 value = 'COVEREDRATIO'
-                minimum = 0.00
+                minimum = 0.80
             }
         }
     }
diff --git a/src/frontend/src/api/modules/comment.js b/src/frontend/src/api/modules/comment.js
index 0c873930..0d5c19da 100644
--- a/src/frontend/src/api/modules/comment.js
+++ b/src/frontend/src/api/modules/comment.js
@@ -9,6 +9,9 @@ const CommentService = {
       commentRequest
     );
   },
+  get(articleId) {
+    return ApiService.get(`${BASE_URL}/${articleId}/comments`);
+  },
   delete(params) {
     return ApiService.delete(
       `${BASE_URL}/${params.articleId}/comments/${params.commentId}`
diff --git a/src/frontend/src/components/EmotionFilter.vue b/src/frontend/src/components/EmotionFilter.vue
index 14e944f7..a86bb411 100644
--- a/src/frontend/src/components/EmotionFilter.vue
+++ b/src/frontend/src/components/EmotionFilter.vue
@@ -1,21 +1,17 @@
 <template>
   <v-card class="mx-auto rounded-lg" max-width="400">
     <v-row class="justify-center align-center">
-      <v-col
-        class="col-3"
-        style="font-size: 40px; text-align: center; line-height: 40px; padding: 10px 0px 12px 0px; "
-      >
-        <v-chip @click="selectAll()" :disabled="isSelectedAll()"
-          >모두 보기</v-chip
-        >
+      <v-col class="col-3 choice-all-text">
+        <v-chip @click="selectAll()">
+          {{ selectAllButtonText() }}
+        </v-chip>
       </v-col>
       <v-col
         v-for="emotion in emotions"
         :key="emotion.id"
         @click="toggleFeature(emotion)"
-        class="col-1"
-        :class="{ grayscale: !isSelected(emotion) }"
-        style="align: center; line-height: 40px; padding: 14px 0px 12px 0px;"
+        class="col-1 chip-text"
+        :class="{ grayscale: !isSelectedEmotion(emotion) }"
       >
         <v-img
           :src="emotion.imageResource"
@@ -46,11 +42,7 @@ export default {
       }
       this.allFilter = this.allFilter.sort();
       this.filter = this.allFilter.slice();
-
-      this.selectFilter({
-        emotionIds: this.filter.toString(),
-        isFiltered: !this.isSelectedAll()
-      });
+      this.applyFilter();
     });
   },
   computed: {
@@ -60,30 +52,37 @@ export default {
     ...mapActions([FETCH_EMOTIONS]),
     ...mapActions([SELECT_FILTER]),
     toggleFeature(emotion) {
-      if (this.isSelected(emotion)) {
+      if (this.isSelectedEmotion(emotion)) {
         const idx = this.filter.indexOf(emotion.id);
         this.filter.splice(idx, 1);
       } else {
         this.filter.push(emotion.id);
         this.filter = this.filter.sort();
       }
-      this.selectFilter({
-        emotionIds: this.filter.toString(),
-        isFiltered: !this.isSelectedAll()
-      });
+      this.applyFilter();
+    },
+    selectAll() {
+      if (this.isSelectedAll()) {
+        this.filter = [];
+      } else {
+        this.filter = this.allFilter.slice();
+      }
+      this.applyFilter();
     },
-    isSelected(emotion) {
+    isSelectedEmotion(emotion) {
       return this.filter.includes(emotion.id);
     },
     isSelectedAll() {
       return this.filter.length === this.allFilter.length;
     },
-    selectAll() {
-      this.filter = this.allFilter.slice();
+    applyFilter() {
       this.selectFilter({
         emotionIds: this.filter.toString(),
         isFiltered: !this.isSelectedAll()
       });
+    },
+    selectAllButtonText() {
+      return this.isSelectedAll() ? '전체 해제' : '전체 선택';
     }
   }
 };
@@ -94,4 +93,14 @@ export default {
   -webkit-filter: grayscale(100%);
   filter: grayscale(100%);
 }
+.choice-all-text {
+  font-size: 40px;
+  text-align: center;
+  line-height: 40px;
+  padding: 10px 0px 12px 0px;
+}
+.chip-text {
+  line-height: 40px;
+  padding: 14px 0px 12px 0px;
+}
 </style>
diff --git a/src/frontend/src/components/ReportButton.vue b/src/frontend/src/components/ReportButton.vue
index b3bb41a0..f96d2a0e 100644
--- a/src/frontend/src/components/ReportButton.vue
+++ b/src/frontend/src/components/ReportButton.vue
@@ -23,8 +23,7 @@
                 v-model="choiceCategory"
               >
                 <v-chip
-                  class="ma-1"
-                  style="font-size: 12px; padding: 5px"
+                  class="ma-1 report-category-text"
                   v-for="reportCategory in this.reportCategories"
                   @click="invalidCategoryChoice = false"
                   :key="reportCategory.id"
@@ -73,11 +72,14 @@
 </template>
 <script>
 import { REPORT_TARGET } from '@/utils/ReportTarget.js';
-import { SHOW_SNACKBAR } from '@/store/shared/mutationTypes';
 import {
   CREATE_REPORT,
   FETCH_REPORT_CATEGORIES
 } from '@/store/shared/actionTypes';
+import {
+  SHOW_SNACKBAR,
+  SHOW_REQUEST_LOGIN_MODAL
+} from '@/store/shared/mutationTypes';
 
 import { mapActions, mapGetters, mapMutations } from 'vuex';
 
@@ -88,17 +90,20 @@ export default {
       dialog: false,
       choiceCategory: undefined,
       invalidCategoryChoice: false,
-      textContent: ''
+      textContent: '',
+      token: localStorage.getItem('token')
     };
   },
   created() {
     this.fetchReportCategories();
   },
   computed: {
-    ...mapGetters(['reportCategories'])
+    ...mapGetters(['reportCategories']),
+    ...mapGetters(['reportTarget'])
   },
   methods: {
     ...mapMutations([SHOW_SNACKBAR]),
+    ...mapMutations([SHOW_REQUEST_LOGIN_MODAL]),
     ...mapActions([FETCH_REPORT_CATEGORIES]),
     ...mapActions([CREATE_REPORT]),
     onReport() {
@@ -111,8 +116,8 @@ export default {
     submitReport() {
       const reportCreateRequest = {
         content: this.textContent,
-        targetContentId: this.targetContentId,
-        reportTarget: this.reportTarget.toString(),
+        targetContentId: this.reportTarget.contentId,
+        reportTarget: this.reportTarget.target,
         reportCategoryId: this.reportCategories[this.choiceCategory].id
       };
       this.createReport(reportCreateRequest)
@@ -129,9 +134,17 @@ export default {
       this.choiceCategory = undefined;
       this.textContent = '';
       this.dialog = true;
+      this.checkLoginUser();
+      this.$emit('click');
+    },
+    checkLoginUser() {
+      if (this.token === null) {
+        this.dialog = false;
+        this.showRequestLoginModal();
+      }
     },
     getReportTargetText() {
-      switch (this.reportTarget) {
+      switch (this.reportTarget.target) {
         case REPORT_TARGET.ARTICLE:
           return '게시물';
         case REPORT_TARGET.COMMENT:
@@ -140,18 +153,6 @@ export default {
           return '게시물';
       }
     }
-  },
-  props: {
-    reportTarget: {
-      type: String,
-      required: true,
-      default: ''
-    },
-    targetContentId: {
-      type: Number,
-      required: true,
-      default: 0
-    }
   }
 };
 </script>
@@ -163,4 +164,8 @@ export default {
 .caption {
   font-weight: lighter;
 }
+.report-category-text {
+  font-size: 12px;
+  padding: 5px;
+}
 </style>
diff --git a/src/frontend/src/components/card/Card.vue b/src/frontend/src/components/card/Card.vue
index 7b6f2a4e..c124dc4e 100644
--- a/src/frontend/src/components/card/Card.vue
+++ b/src/frontend/src/components/card/Card.vue
@@ -51,21 +51,20 @@
                 </div>
               </div>
               <div
-                v-if="article.isCommentAllowed && article.comments.length > 0"
+                v-if="article.isCommentAllowed && article.commentsSize > 0"
                 style="float:left;"
               >
                 <v-icon style="font-size:20px;" class="mr-1"
                   >mdi-comment-outline</v-icon
                 >
-                <span class="subheading">{{ article.comments.length }}</span>
+                <span class="subheading">{{ article.commentsSize }}</span>
               </div>
               <v-spacer />
             </v-col>
             <v-col align="right" justify="end" style="padding:0px" cols="2">
               <report-button
                 v-if="!article.isMine"
-                :reportTarget="getReportTarget()"
-                :targetContentId="article.id"
+                @click="changeReportTarget()"
               />
             </v-col>
           </v-row>
@@ -83,8 +82,9 @@ import ReportButton from '@/components/ReportButton';
 import DetailCardMenu from '@/components/card/DetailCardMenu';
 import { REPORT_TARGET } from '@/utils/ReportTarget.js';
 
-import { mapActions } from 'vuex';
+import { mapActions, mapMutations } from 'vuex';
 import { LIKE_ARTICLE, UNLIKE_ARTICLE } from '@/store/shared/actionTypes';
+import { SET_REPORT_TARGET } from '@/store/shared/mutationTypes';
 import linkify from 'vue-linkify';
 
 export default {
@@ -100,23 +100,21 @@ export default {
     linkified: linkify
   },
   methods: {
+    ...mapMutations([SET_REPORT_TARGET]),
     ...mapActions([LIKE_ARTICLE, UNLIKE_ARTICLE]),
     toggleLike() {
       event.stopPropagation();
       if (this.article.isLikedByMe) {
-        this.unlikeArticle(this.article.id).then(() => {
-          this.article.isLikedByMe = false;
-          this.article.likesCount--;
-        });
+        this.unlikeArticle(this.article);
       } else {
-        this.likeArticle(this.article.id).then(() => {
-          this.article.isLikedByMe = true;
-          this.article.likesCount++;
-        });
+        this.likeArticle(this.article);
       }
     },
-    getReportTarget() {
-      return REPORT_TARGET.ARTICLE;
+    changeReportTarget() {
+      this.setReportTarget({
+        target: REPORT_TARGET.ARTICLE,
+        contentId: this.article.id
+      });
     },
     clickCardContent() {
       this.$emit('clickCardContent');
diff --git a/src/frontend/src/components/comment/Comment.vue b/src/frontend/src/components/comment/Comment.vue
index 7fa39dce..0c38d5b6 100644
--- a/src/frontend/src/components/comment/Comment.vue
+++ b/src/frontend/src/components/comment/Comment.vue
@@ -55,11 +55,7 @@
         </div>
         <v-spacer />
         <div class="pb-2 pr-2">
-          <report-button
-            v-if="!comment.isMine"
-            :reportTarget="getReportTarget()"
-            :targetContentId="comment.id"
-          />
+          <report-button v-if="!comment.isMine" @click="changeReportTarget()" />
         </div>
       </v-flex>
     </v-card>
@@ -74,7 +70,10 @@ import ReportButton from '@/components/ReportButton';
 import { REPORT_TARGET } from '@/utils/ReportTarget.js';
 import { mapActions, mapGetters, mapMutations } from 'vuex';
 import { LIKE_COMMENT, UNLIKE_COMMENT } from '@/store/shared/actionTypes';
-import { ACTIVATE_RECOMMENT } from '@/store/shared/mutationTypes';
+import {
+  ACTIVATE_RECOMMENT,
+  SET_REPORT_TARGET
+} from '@/store/shared/mutationTypes';
 
 export default {
   name: 'Comment',
@@ -88,36 +87,22 @@ export default {
     CommentMenu,
     ReportButton
   },
-  props: {
-    comment: {
-      type: Object,
-      required: true
-    }
-  },
   methods: {
     ...mapMutations([ACTIVATE_RECOMMENT]),
+    ...mapMutations([SET_REPORT_TARGET]),
     ...mapActions([LIKE_COMMENT, UNLIKE_COMMENT]),
     toggleLike() {
       if (this.comment.isLikedByMe) {
-        this.unlikeComment({
-          articleId: this.article.id,
-          commentId: this.comment.id
-        }).then(() => {
-          this.comment.isLikedByMe = false;
-          this.comment.likesCount--;
-        });
+        this.unlikeComment(this.comment);
       } else {
-        this.likeComment({
-          articleId: this.article.id,
-          commentId: this.comment.id
-        }).then(() => {
-          this.comment.isLikedByMe = true;
-          this.comment.likesCount++;
-        });
+        this.likeComment(this.comment);
       }
     },
-    getReportTarget() {
-      return REPORT_TARGET.COMMENT;
+    changeReportTarget() {
+      this.setReportTarget({
+        target: REPORT_TARGET.COMMENT,
+        contentId: this.comment.id
+      });
     },
     specifyMemberToRecomment() {
       this.activateRecomment({
@@ -132,7 +117,13 @@ export default {
     }
   },
   computed: {
-    ...mapGetters(['article'])
+    ...mapGetters(['article', 'comments'])
+  },
+  props: {
+    comment: {
+      type: Object,
+      required: true
+    }
   }
 };
 </script>
diff --git a/src/frontend/src/components/comment/Comments.vue b/src/frontend/src/components/comment/Comments.vue
index d6086c16..4abb5129 100644
--- a/src/frontend/src/components/comment/Comments.vue
+++ b/src/frontend/src/components/comment/Comments.vue
@@ -9,7 +9,7 @@
     >
       <v-row dense>
         <v-col
-          v-for="comment in article.comments"
+          v-for="comment in comments"
           :key="comment.id"
           cols="12"
           class="justify-center pt-0 pb-0"
@@ -35,22 +35,30 @@
 <script>
 import Comment from '@/components/comment/Comment';
 import Recomment from '@/components/comment/Recomment';
+
+import { mapActions, mapGetters } from 'vuex';
+import { FETCH_COMMENTS } from '@/store/shared/actionTypes';
+
 export default {
   name: 'Comments',
   components: {
     Comment,
     Recomment
   },
+  created() {
+    this.fetchComments(this.$route.params.articleId);
+  },
+  computed: {
+    ...mapGetters(['comments']),
+    ...mapGetters(['article'])
+  },
   data() {
     return {
       commentNotAllowedMessage: '댓글을 작성할 수 없는 글입니다.'
     };
   },
-  props: {
-    article: {
-      type: Object,
-      required: true
-    }
+  methods: {
+    ...mapActions([FETCH_COMMENTS])
   }
 };
 </script>
diff --git a/src/frontend/src/components/comment/Recomment.vue b/src/frontend/src/components/comment/Recomment.vue
index fe5ebe0e..17996c20 100644
--- a/src/frontend/src/components/comment/Recomment.vue
+++ b/src/frontend/src/components/comment/Recomment.vue
@@ -75,7 +75,7 @@ import CreatedDate from '@/components/CreatedDate';
 import CommentMenu from '@/components/comment/CommentMenu';
 import ReportButton from '@/components/ReportButton';
 import { REPORT_TARGET } from '@/utils/ReportTarget.js';
-import { mapActions } from 'vuex';
+import { mapActions, mapGetters } from 'vuex';
 import { LIKE_COMMENT, UNLIKE_COMMENT } from '@/store/shared/actionTypes';
 
 export default {
@@ -100,15 +100,9 @@ export default {
     ...mapActions([LIKE_COMMENT, UNLIKE_COMMENT]),
     toggleLike() {
       if (this.comment.isLikedByMe) {
-        this.unlikeComment(this.comment.id).then(() => {
-          this.comment.isLikedByMe = false;
-          this.comment.likesCount--;
-        });
+        this.unlikeComment(this.comment);
       } else {
-        this.likeComment(this.comment.id).then(() => {
-          this.comment.isLikedByMe = true;
-          this.comment.likesCount++;
-        });
+        this.likeComment(this.comment);
       }
     },
     getReportTarget() {
@@ -119,6 +113,9 @@ export default {
         ? '✒️ ' + this.comment.nickname
         : this.comment.nickname;
     }
+  },
+  computed: {
+    ...mapGetters(['article', 'comments'])
   }
 };
 </script>
diff --git a/src/frontend/src/store/modules/analysis.js b/src/frontend/src/store/modules/analysis.js
index db8fa06b..a19952fc 100644
--- a/src/frontend/src/store/modules/analysis.js
+++ b/src/frontend/src/store/modules/analysis.js
@@ -1,4 +1,5 @@
 import {
+  CATCH_ERROR,
   SET_ARTICLES_ANALYSIS,
   SET_COMMENTS_ANALYSIS
 } from '@/store/shared/mutationTypes';
@@ -37,14 +38,14 @@ const actions = {
       .then(({ data }) => {
         commit(SET_ARTICLES_ANALYSIS, data);
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   async [FETCH_COMMENTS_ANALYSIS]({ commit }) {
     return AnalysisService.getCommentsAnalysis()
       .then(({ data }) => {
         commit(SET_COMMENTS_ANALYSIS, data);
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   }
 };
 
diff --git a/src/frontend/src/store/modules/article.js b/src/frontend/src/store/modules/article.js
index 4ae7992e..e84845f2 100644
--- a/src/frontend/src/store/modules/article.js
+++ b/src/frontend/src/store/modules/article.js
@@ -1,4 +1,5 @@
 import {
+  CATCH_ERROR,
   ADD_ARTICLES,
   SET_ARTICLE,
   SET_ARTICLES,
@@ -40,8 +41,9 @@ const mutations = {
   [ADD_ARTICLES](state, articles) {
     state.articles = state.articles.concat(articles);
   },
-  [UPDATE_ARTICLE_LIKES](state, value) {
-    state.articles.likesCount += value;
+  [UPDATE_ARTICLE_LIKES](state, article) {
+    const index = state.articles.findIndex(it => it.id === article.id);
+    state.articles.splice(index, 1, article);
   }
 };
 
@@ -49,7 +51,7 @@ const actions = {
   // eslint-disable-next-line no-unused-vars
   async [CREATE_ARTICLE]({ commit }, article) {
     return ArticleService.create(article).catch(error =>
-      commit('catchError', error)
+      commit(CATCH_ERROR, error)
     );
   },
   async [FETCH_ARTICLE]({ commit }, articleId) {
@@ -58,7 +60,7 @@ const actions = {
         commit(SET_ARTICLE, data);
         return data;
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   async [FETCH_ARTICLES]({ commit }, params) {
     return ArticleService.getAll(params)
@@ -66,7 +68,7 @@ const actions = {
         commit(SET_ARTICLES, data);
         return data;
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   async [PAGING_ARTICLES]({ commit }, params) {
     return ArticleService.getAll(params)
@@ -74,26 +76,32 @@ const actions = {
         commit(ADD_ARTICLES, data);
         return data;
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   // eslint-disable-next-line no-unused-vars
   async [DELETE_ARTICLE]({ commit }, articleId) {
     return ArticleService.delete(articleId).catch(error =>
-      commit('catchError', error)
+      commit(CATCH_ERROR, error)
     );
   },
   [CLEAR_ARTICLES]({ commit }) {
     commit(SET_ARTICLES, []);
   },
-  async [LIKE_ARTICLE]({ commit }, articleId) {
-    return ArticleService.like(articleId)
-      .then(() => commit(UPDATE_ARTICLE_LIKES, 1))
-      .catch(error => commit('catchError', error));
+  async [LIKE_ARTICLE]({ commit }, article) {
+    article.likesCount += 1;
+    article.isLikedByMe = true;
+
+    return ArticleService.like(article.id)
+      .then(() => commit(UPDATE_ARTICLE_LIKES, article))
+      .catch(error => commit(CATCH_ERROR, error));
   },
-  async [UNLIKE_ARTICLE]({ commit }, articleId) {
-    return ArticleService.unlike(articleId)
-      .then(() => commit(UPDATE_ARTICLE_LIKES, -1))
-      .catch(error => commit('catchError', error));
+  async [UNLIKE_ARTICLE]({ commit }, article) {
+    article.likesCount -= 1;
+    article.isLikedByMe = false;
+
+    return ArticleService.unlike(article.id)
+      .then(() => commit(UPDATE_ARTICLE_LIKES, article))
+      .catch(error => commit(CATCH_ERROR, error));
   }
 };
 
diff --git a/src/frontend/src/store/modules/comment.js b/src/frontend/src/store/modules/comment.js
index 50a6b9ec..5e7319d2 100644
--- a/src/frontend/src/store/modules/comment.js
+++ b/src/frontend/src/store/modules/comment.js
@@ -1,11 +1,14 @@
 import {
+  CATCH_ERROR,
   ACTIVATE_RECOMMENT,
   DEACTIVATE_RECOMMENT,
-  UPDATE_COMMENT_LIKES
+  UPDATE_COMMENT_LIKES,
+  SET_COMMENTS
 } from '@/store/shared/mutationTypes';
 import {
   CREATE_COMMENT,
   DELETE_COMMENT,
+  FETCH_COMMENTS,
   LIKE_COMMENT,
   UNLIKE_COMMENT
 } from '@/store/shared/actionTypes';
@@ -15,7 +18,8 @@ import CommentService from '@/api/modules/comment';
 const state = {
   isActiveRecomment: false,
   targetNickname: '',
-  targetCommentId: null
+  targetCommentId: null,
+  comments: []
 };
 
 const getters = {
@@ -27,6 +31,9 @@ const getters = {
   },
   targetCommentId() {
     return state.targetCommentId;
+  },
+  comments(state) {
+    return state.comments;
   }
 };
 
@@ -45,6 +52,13 @@ const mutations = {
     state.targetNickname = '';
     state.targetCommentId = null;
     state.isActiveRecomment = false;
+  },
+  [SET_COMMENTS](state, comments) {
+    state.comments = comments;
+  },
+  [UPDATE_COMMENT_LIKES](state, comment) {
+    const index = state.comments.findIndex(it => it.id === comment.id);
+    state.comments.splice(index, 1, comment);
   }
 };
 
@@ -52,24 +66,46 @@ const actions = {
   // eslint-disable-next-line no-unused-vars
   async [CREATE_COMMENT]({ commit }, comment) {
     return CommentService.create(comment).catch(error =>
-      commit('catchError', error)
+      commit(CATCH_ERROR, error)
     );
   },
   // eslint-disable-next-line no-unused-vars
   async [DELETE_COMMENT]({ commit }, params) {
     return CommentService.delete(params).catch(error =>
-      commit('catchError', error)
+      commit(CATCH_ERROR, error)
     );
   },
-  async [LIKE_COMMENT]({ commit }, params) {
-    return CommentService.like(params)
-      .then(() => commit(UPDATE_COMMENT_LIKES, 1))
-      .catch(error => commit('catchError', error));
+  async [FETCH_COMMENTS]({ commit }, articleId) {
+    return CommentService.get(articleId)
+      .then(({ data }) => {
+        commit(SET_COMMENTS, data);
+        return data;
+      })
+      .catch(error => commit(CATCH_ERROR, error));
   },
-  async [UNLIKE_COMMENT]({ commit }, params) {
-    return CommentService.unlike(params)
-      .then(() => commit(UPDATE_COMMENT_LIKES, -1))
-      .catch(error => commit('catchError', error));
+  async [LIKE_COMMENT]({ commit, rootGetters }, comment) {
+    const currentArticle = rootGetters.article;
+    comment.likesCount += 1;
+    comment.isLikedByMe = true;
+
+    return CommentService.like({
+      articleId: currentArticle.id,
+      commentId: comment.id
+    })
+      .then(() => commit(UPDATE_COMMENT_LIKES, comment))
+      .catch(error => commit(CATCH_ERROR, error));
+  },
+  async [UNLIKE_COMMENT]({ commit, rootGetters }, comment) {
+    const currentArticle = rootGetters.article;
+    comment.likesCount -= 1;
+    comment.isLikedByMe = false;
+
+    return CommentService.unlike({
+      articleId: currentArticle.id,
+      commentId: comment.id
+    })
+      .then(() => commit(UPDATE_COMMENT_LIKES, comment))
+      .catch(error => commit(CATCH_ERROR, error));
   }
 };
 
diff --git a/src/frontend/src/store/modules/common.js b/src/frontend/src/store/modules/common.js
index c92bd413..99d7d8f8 100644
--- a/src/frontend/src/store/modules/common.js
+++ b/src/frontend/src/store/modules/common.js
@@ -1,3 +1,4 @@
+import { CATCH_ERROR } from '@/store/shared/mutationTypes';
 import { STATUS } from '../../utils/Status';
 
 const state = {};
@@ -5,7 +6,7 @@ const state = {};
 const getters = {};
 
 const mutations = {
-  catchError(state, error) {
+  [CATCH_ERROR](state, error) {
     if (error.response.status === STATUS.UNAUTHORIZED) {
       this.commit('showRequestLoginModal');
     }
diff --git a/src/frontend/src/store/modules/emotion.js b/src/frontend/src/store/modules/emotion.js
index 3cba01ac..99b977e8 100644
--- a/src/frontend/src/store/modules/emotion.js
+++ b/src/frontend/src/store/modules/emotion.js
@@ -1,4 +1,8 @@
-import { SET_EMOTION, SET_EMOTIONS } from '@/store/shared/mutationTypes';
+import {
+  CATCH_ERROR,
+  SET_EMOTION,
+  SET_EMOTIONS
+} from '@/store/shared/mutationTypes';
 import { FETCH_EMOTION, FETCH_EMOTIONS } from '@/store/shared/actionTypes';
 import EmotionService from '@/api/modules/emotion';
 
@@ -32,14 +36,14 @@ const actions = {
         commit(SET_EMOTION, data);
         return data;
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   async [FETCH_EMOTIONS]({ commit }) {
     return EmotionService.getAll()
       .then(({ data }) => {
         commit(SET_EMOTIONS, data);
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   }
 };
 
diff --git a/src/frontend/src/store/modules/memberArticle.js b/src/frontend/src/store/modules/memberArticle.js
index c9ee90ac..f579f2fb 100644
--- a/src/frontend/src/store/modules/memberArticle.js
+++ b/src/frontend/src/store/modules/memberArticle.js
@@ -1,4 +1,5 @@
 import {
+  CATCH_ERROR,
   ADD_MEMBER_ARTICLES,
   SET_MEMBER_ARTICLE,
   SET_MEMBER_ARTICLES
@@ -45,7 +46,7 @@ const actions = {
         commit(SET_MEMBER_ARTICLE, data);
         return data;
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   async [FETCH_MEMBER_ARTICLES]({ commit }, params) {
     return MemberArticleService.getAll(params)
@@ -53,7 +54,7 @@ const actions = {
         commit(SET_MEMBER_ARTICLES, data);
         return data;
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   async [PAGING_MEMBER_ARTICLES]({ commit }, params) {
     return MemberArticleService.getAll(params)
@@ -61,7 +62,7 @@ const actions = {
         commit(ADD_MEMBER_ARTICLES, data);
         return data;
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   [CLEAR_MEMBER_ARTICLES]({ commit }) {
     commit(SET_MEMBER_ARTICLES, []);
diff --git a/src/frontend/src/store/modules/report.js b/src/frontend/src/store/modules/report.js
index 9608d472..cbd55efb 100644
--- a/src/frontend/src/store/modules/report.js
+++ b/src/frontend/src/store/modules/report.js
@@ -1,4 +1,8 @@
-import { SET_REPORT_CATEGORIES } from '@/store/shared/mutationTypes';
+import {
+  SET_REPORT_CATEGORIES,
+  CATCH_ERROR,
+  SET_REPORT_TARGET
+} from '@/store/shared/mutationTypes';
 import {
   FETCH_REPORT_CATEGORIES,
   CREATE_REPORT
@@ -6,18 +10,25 @@ import {
 import ReportService from '@/api/modules/report';
 
 const state = {
-  reportCategories: []
+  reportCategories: [],
+  reportTarget: {}
 };
 
 const getters = {
   reportCategories(state) {
     return state.reportCategories;
+  },
+  reportTarget(state) {
+    return state.reportTarget;
   }
 };
 
 const mutations = {
   [SET_REPORT_CATEGORIES](state, reportCategories) {
     state.reportCategories = reportCategories;
+  },
+  [SET_REPORT_TARGET](state, reportTarget) {
+    state.reportTarget = reportTarget;
   }
 };
 
@@ -27,11 +38,11 @@ const actions = {
       .then(({ data }) => {
         commit(SET_REPORT_CATEGORIES, data);
       })
-      .catch(error => commit('catchError', error));
+      .catch(error => commit(CATCH_ERROR, error));
   },
   async [CREATE_REPORT]({ commit }, report) {
     return ReportService.createReport(report).catch(error =>
-      commit('catchError', error)
+      commit(CATCH_ERROR, error)
     );
   }
 };
diff --git a/src/frontend/src/store/shared/actionTypes.js b/src/frontend/src/store/shared/actionTypes.js
index 4adeec33..ca400582 100644
--- a/src/frontend/src/store/shared/actionTypes.js
+++ b/src/frontend/src/store/shared/actionTypes.js
@@ -10,6 +10,7 @@ export const CLEAR_MEMBER_ARTICLES = 'clearMemberArticles';
 export const CREATE_ARTICLE = 'createArticle';
 export const CREATE_COMMENT = 'createComment';
 export const DELETE_COMMENT = 'deleteComment';
+export const FETCH_COMMENTS = 'fetchComments';
 export const FETCH_EMOTION = 'fetchEmotion';
 export const FETCH_EMOTIONS = 'fetchEmotions';
 export const SELECT_FILTER = 'selectFilter';
diff --git a/src/frontend/src/store/shared/mutationTypes.js b/src/frontend/src/store/shared/mutationTypes.js
index 93e61659..a7eb7767 100644
--- a/src/frontend/src/store/shared/mutationTypes.js
+++ b/src/frontend/src/store/shared/mutationTypes.js
@@ -19,3 +19,6 @@ export const DEACTIVATE_RECOMMENT = 'deactivateRecomment';
 export const SHOW_REQUEST_LOGIN_MODAL = 'showRequestLoginModal';
 export const HIDE_REQUEST_LOGIN_MODAL = 'hideRequestLoginModal';
 export const SET_REPORT_CATEGORIES = 'setReportCategories';
+export const SET_REPORT_TARGET = 'setReportTarget';
+export const SET_COMMENTS = 'setComments';
+export const CATCH_ERROR = 'catchError';
diff --git a/src/frontend/src/views/articleDetail/ArticleDetail.vue b/src/frontend/src/views/articleDetail/ArticleDetail.vue
index fd8073a3..20e2b3e1 100644
--- a/src/frontend/src/views/articleDetail/ArticleDetail.vue
+++ b/src/frontend/src/views/articleDetail/ArticleDetail.vue
@@ -4,7 +4,7 @@
       <card :article="article" />
     </v-layout>
 
-    <comments :article="article" />
+    <comments />
 
     <v-footer
       app
@@ -22,8 +22,8 @@
 <script>
 import { mapActions, mapGetters, mapMutations } from 'vuex';
 import {
-  FETCH_ARTICLE,
-  CHECK_NAVBAR_SPACE_NEEDED
+  CHECK_NAVBAR_SPACE_NEEDED,
+  FETCH_ARTICLE
 } from '@/store/shared/actionTypes';
 import { DEACTIVATE_RECOMMENT } from '@/store/shared/mutationTypes';
 import Card from '@/components/card/Card';
diff --git a/src/frontend/src/views/diary/DiaryDetail.vue b/src/frontend/src/views/diary/DiaryDetail.vue
index ad1e6bf0..f61facd2 100644
--- a/src/frontend/src/views/diary/DiaryDetail.vue
+++ b/src/frontend/src/views/diary/DiaryDetail.vue
@@ -3,7 +3,7 @@
     <v-layout mb-5>
       <card :article="memberArticle" />
     </v-layout>
-    <comments :article="memberArticle" />
+    <comments />
     <v-footer
       app
       shift
@@ -21,8 +21,8 @@
 <script>
 import { mapActions, mapGetters } from 'vuex';
 import {
-  FETCH_MEMBER_ARTICLE,
-  CHECK_NAVBAR_SPACE_NEEDED
+  CHECK_NAVBAR_SPACE_NEEDED,
+  FETCH_MEMBER_ARTICLE
 } from '@/store/shared/actionTypes';
 import Card from '@/components/card/Card';
 import Comments from '@/components/comment/Comments';
diff --git a/src/main/java/com/saebyeok/saebyeok/SaebyeokApplication.java b/src/main/java/com/saebyeok/saebyeok/SaebyeokApplication.java
index 922ac40e..2a69f521 100644
--- a/src/main/java/com/saebyeok/saebyeok/SaebyeokApplication.java
+++ b/src/main/java/com/saebyeok/saebyeok/SaebyeokApplication.java
@@ -2,7 +2,9 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cache.annotation.EnableCaching;
 
+@EnableCaching
 @SpringBootApplication
 public class SaebyeokApplication {
 
diff --git a/src/main/java/com/saebyeok/saebyeok/config/SecurityConfig.java b/src/main/java/com/saebyeok/saebyeok/config/SecurityConfig.java
index 9480842a..9d3d67aa 100644
--- a/src/main/java/com/saebyeok/saebyeok/config/SecurityConfig.java
+++ b/src/main/java/com/saebyeok/saebyeok/config/SecurityConfig.java
@@ -37,7 +37,7 @@ protected void configure(HttpSecurity http) throws Exception {
                     .headers().frameOptions().disable()
                 .and()
                     .authorizeRequests()
-                    .antMatchers(HttpMethod.GET, "/feed", "/api/articles/**", "/api/emotions", "/api/reports/categories").permitAll()
+                    .antMatchers(HttpMethod.GET, "/feed", "/api/articles/**", "/api/emotions", "/api/reports/categories", "/profile").permitAll()
                     .antMatchers("/api/**").authenticated()
                 .and()
                     .logout()
diff --git a/src/main/java/com/saebyeok/saebyeok/controller/AnalysisController.java b/src/main/java/com/saebyeok/saebyeok/controller/AnalysisController.java
index 8b7fe72d..f189dbae 100644
--- a/src/main/java/com/saebyeok/saebyeok/controller/AnalysisController.java
+++ b/src/main/java/com/saebyeok/saebyeok/controller/AnalysisController.java
@@ -11,8 +11,6 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import java.util.List;
-
 @RequestMapping("/api")
 @RequiredArgsConstructor
 @RestController
@@ -21,22 +19,14 @@ public class AnalysisController {
 
     @GetMapping("/analysis/articles")
     public ResponseEntity<ArticlesAnalysisResponse> getArticlesAnalysis(@LoginMember Member member) {
-        List<Integer> articleEmotionsCount = analysisService.findArticleEmotionsCount(member);
-        Long mostEmotionId = analysisService.findMostEmotionId(member);
-
-        ArticlesAnalysisResponse articlesAnalysisResponse = new ArticlesAnalysisResponse(articleEmotionsCount,
-                mostEmotionId);
+        ArticlesAnalysisResponse articlesAnalysisResponse = analysisService.getArticlesAnalysis(member);
 
         return ResponseEntity.ok(articlesAnalysisResponse);
     }
 
     @GetMapping("/analysis/comments")
     public ResponseEntity<CommentsAnalysisResponse> getCommentsAnalysis(@LoginMember Member member) {
-        Long totalCommentsCount = analysisService.countTotalCommentsBy(member);
-        Long totalCommentLikesCount = analysisService.countTotalCommentLikesBy(member);
-
-        CommentsAnalysisResponse commentsAnalysisResponse = new CommentsAnalysisResponse(totalCommentsCount,
-                totalCommentLikesCount);
+        CommentsAnalysisResponse commentsAnalysisResponse = analysisService.getCommentsAnalysis(member);
 
         return ResponseEntity.ok(commentsAnalysisResponse);
     }
diff --git a/src/main/java/com/saebyeok/saebyeok/controller/CommentController.java b/src/main/java/com/saebyeok/saebyeok/controller/CommentController.java
index 8ab7c83f..703f1a8f 100644
--- a/src/main/java/com/saebyeok/saebyeok/controller/CommentController.java
+++ b/src/main/java/com/saebyeok/saebyeok/controller/CommentController.java
@@ -4,6 +4,7 @@
 import com.saebyeok.saebyeok.domain.Comment;
 import com.saebyeok.saebyeok.domain.Member;
 import com.saebyeok.saebyeok.dto.CommentCreateRequest;
+import com.saebyeok.saebyeok.dto.CommentResponse;
 import com.saebyeok.saebyeok.service.CommentService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
@@ -11,6 +12,7 @@
 
 import javax.validation.Valid;
 import java.net.URI;
+import java.util.List;
 
 @RequestMapping("/api")
 @RequiredArgsConstructor
@@ -18,6 +20,12 @@
 public class CommentController {
     private final CommentService commentService;
 
+    @GetMapping("/articles/{articleId}/comments")
+    public ResponseEntity<List<CommentResponse>> getComments(@LoginMember Member member, @PathVariable Long articleId) {
+        List<CommentResponse> commentResponses = commentService.getComment(member, articleId);
+        return ResponseEntity.ok(commentResponses);
+    }
+
     @PostMapping("/articles/{articleId}/comments")
     public ResponseEntity<Long> createComment(@LoginMember Member member, @PathVariable Long articleId,
                                               @Valid @RequestBody CommentCreateRequest commentCreateRequest) {
diff --git a/src/main/java/com/saebyeok/saebyeok/controller/common/CommonController.java b/src/main/java/com/saebyeok/saebyeok/controller/common/CommonController.java
new file mode 100644
index 00000000..4170ffd4
--- /dev/null
+++ b/src/main/java/com/saebyeok/saebyeok/controller/common/CommonController.java
@@ -0,0 +1,22 @@
+package com.saebyeok.saebyeok.controller.common;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.core.env.Environment;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Arrays;
+
+@RequiredArgsConstructor
+@RestController
+public class CommonController {
+    private final Environment env;
+
+    @GetMapping("/profile")
+    public String getProfile() {
+        return Arrays.stream(env.getActiveProfiles())
+                .filter(it -> it.startsWith("set"))
+                .findFirst()
+                .orElse("set1");
+    }
+}
diff --git a/src/main/java/com/saebyeok/saebyeok/controller/RootController.java b/src/main/java/com/saebyeok/saebyeok/controller/common/CustomErrorController.java
similarity index 81%
rename from src/main/java/com/saebyeok/saebyeok/controller/RootController.java
rename to src/main/java/com/saebyeok/saebyeok/controller/common/CustomErrorController.java
index 093c336a..ae80d287 100644
--- a/src/main/java/com/saebyeok/saebyeok/controller/RootController.java
+++ b/src/main/java/com/saebyeok/saebyeok/controller/common/CustomErrorController.java
@@ -1,4 +1,4 @@
-package com.saebyeok.saebyeok.controller;
+package com.saebyeok.saebyeok.controller.common;
 
 import org.springframework.boot.web.servlet.error.ErrorController;
 import org.springframework.http.HttpStatus;
@@ -7,7 +7,7 @@
 import org.springframework.web.bind.annotation.ResponseStatus;
 
 @Controller
-public class RootController implements ErrorController {
+public class CustomErrorController implements ErrorController {
 
     @ResponseStatus(HttpStatus.OK)
     @GetMapping("/error")
@@ -20,5 +20,3 @@ public String getErrorPath() {
         return "/error";
     }
 }
-
-
diff --git a/src/main/java/com/saebyeok/saebyeok/controller/GlobalExceptionAdvice.java b/src/main/java/com/saebyeok/saebyeok/controller/common/GlobalExceptionAdvice.java
similarity index 97%
rename from src/main/java/com/saebyeok/saebyeok/controller/GlobalExceptionAdvice.java
rename to src/main/java/com/saebyeok/saebyeok/controller/common/GlobalExceptionAdvice.java
index 71e0a5fe..335d5c9f 100644
--- a/src/main/java/com/saebyeok/saebyeok/controller/GlobalExceptionAdvice.java
+++ b/src/main/java/com/saebyeok/saebyeok/controller/common/GlobalExceptionAdvice.java
@@ -1,4 +1,4 @@
-package com.saebyeok.saebyeok.controller;
+package com.saebyeok.saebyeok.controller.common;
 
 import com.saebyeok.saebyeok.dto.ExceptionResponse;
 import com.saebyeok.saebyeok.exception.*;
@@ -48,4 +48,3 @@ public ResponseEntity<ExceptionResponse> exceptionHandler(Exception exception) {
                 body(new ExceptionResponse(exception.getMessage()));
     }
 }
-
diff --git a/src/main/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolver.java b/src/main/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolver.java
index baa6a671..21044157 100644
--- a/src/main/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolver.java
+++ b/src/main/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolver.java
@@ -13,6 +13,8 @@
 import org.springframework.web.method.support.HandlerMethodArgumentResolver;
 import org.springframework.web.method.support.ModelAndViewContainer;
 
+import java.util.Objects;
+
 @Component
 public class LoginMemberArgumentResolver implements HandlerMethodArgumentResolver {
     private final MemberService memberService;
@@ -30,11 +32,11 @@ public boolean supportsParameter(MethodParameter parameter) {
     public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
                                   NativeWebRequest webRequest, WebDataBinderFactory binderFactory) {
 
-        String methodName = parameter.getMethod().getName();
+        String methodName = Objects.requireNonNull(parameter.getMethod()).getName();
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
 
         if (authentication instanceof AnonymousAuthenticationToken &&
-                ("getArticles".equals(methodName) || "readArticle".equals(methodName))) {  // 비회원이 피드 혹은 글 디테일 요청
+                ("getArticles".equals(methodName) || "readArticle".equals(methodName) || "getComments".equals(methodName))) {
             return new Member();
         } else {
             User user = (User) authentication.getPrincipal();
diff --git a/src/main/java/com/saebyeok/saebyeok/domain/Article.java b/src/main/java/com/saebyeok/saebyeok/domain/Article.java
index 02661c0c..cb6a9eb9 100644
--- a/src/main/java/com/saebyeok/saebyeok/domain/Article.java
+++ b/src/main/java/com/saebyeok/saebyeok/domain/Article.java
@@ -8,10 +8,9 @@
 
 import javax.persistence.*;
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
-import java.util.Optional;
-import java.util.stream.Collectors;
 
 @EntityListeners(AuditingEntityListener.class)
 @Getter
@@ -38,20 +37,12 @@ public class Article {
     private Boolean isDeleted = Boolean.FALSE;
 
     @OneToMany(mappedBy = "article")
-    private List<Comment> comments;
+    private List<ArticleLike> likes = new ArrayList<>();
 
-    @OneToMany(mappedBy = "article")
-    private List<ArticleLike> likes;
-
-    public Article(String content, Boolean isCommentAllowed) {
+    public Article(String content, Member member, Boolean isCommentAllowed) {
         this.content = content;
-        this.isCommentAllowed = isCommentAllowed;
-    }
-
-    public void setMember(Member member) {
-        // Todo: 편의 메소드 리팩토링(기존에 member가 있는 경우, add를 중복으로 하는 경우 등)
         this.member = member;
-        member.addArticle(this);
+        this.isCommentAllowed = isCommentAllowed;
     }
 
     public void delete() {
@@ -62,19 +53,6 @@ public boolean isWrittenBy(Member member) {
         return this.member == member;
     }
 
-    public Optional<String> loadExistingNickname(Member member) {
-        return comments.stream()
-                .filter(comment -> comment.isWrittenBy(member))
-                .findFirst()
-                .map(Comment::getNickname);
-    }
-
-    public List<String> getAllNicknames() {
-        return comments.stream()
-                .map(Comment::getNickname)
-                .collect(Collectors.toList());
-    }
-
     public boolean isLikedBy(Member member) {
         Objects.requireNonNull(member);
         return this.likes.stream().anyMatch(it -> it.getMember() == member);
diff --git a/src/main/java/com/saebyeok/saebyeok/domain/Comment.java b/src/main/java/com/saebyeok/saebyeok/domain/Comment.java
index 9afa0b8f..1e398a4f 100644
--- a/src/main/java/com/saebyeok/saebyeok/domain/Comment.java
+++ b/src/main/java/com/saebyeok/saebyeok/domain/Comment.java
@@ -9,6 +9,7 @@
 
 import javax.persistence.*;
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 
@@ -43,13 +44,7 @@ public class Comment implements Comparable<Comment> {
     private Comment parent;
 
     @OneToMany(mappedBy = "comment")
-    private List<CommentLike> likes;
-
-    public Comment(String content, String nickname, Comment parent) {
-        this.content = content;
-        this.nickname = nickname;
-        this.parent = parent;
-    }
+    private List<CommentLike> likes = new ArrayList<>();
 
     @Builder
     public Comment(String content, Member member, String nickname, Article article, Comment parent) {
@@ -73,28 +68,8 @@ public long countLikes() {
         return this.likes.size();
     }
 
-    public void setContent(String content) {
-        this.content = content;
-    }
-
-    public void setMember(Member member) {
-        this.member = member;
-    }
-
-    public void setArticle(Article article) {
-        this.article = article;
-    }
-
-    public void setNickname(String nickname) {
-        this.nickname = nickname;
-    }
-
-    public void setIsDeleted(boolean isDeleted) {
-        this.isDeleted = isDeleted;
-    }
-
-    public void setParent(Comment parent) {
-        this.parent = parent;
+    public void delete() {
+        this.isDeleted = true;
     }
 
     @Override
@@ -106,4 +81,17 @@ public int compareTo(Comment other) {
         }
         return this.createdDate.compareTo(other.createdDate);
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Comment comment = (Comment) o;
+        return Objects.equals(id, comment.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/saebyeok/saebyeok/domain/CommentRepository.java b/src/main/java/com/saebyeok/saebyeok/domain/CommentRepository.java
index a01b1560..48d52ab6 100644
--- a/src/main/java/com/saebyeok/saebyeok/domain/CommentRepository.java
+++ b/src/main/java/com/saebyeok/saebyeok/domain/CommentRepository.java
@@ -9,4 +9,8 @@ public interface CommentRepository extends JpaRepository<Comment, Long> {
     public Long countCommentsByMemberAndIsDeleted(Member member, Boolean isDeleted);
 
     public List<Comment> findAllByMemberAndIsDeleted(Member member, Boolean isDeleted);
+
+    public List<Comment> findAllByArticleId(Long articleId);
+
+    public Long countCommentsByArticleId(Long articleId);
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/domain/Emotion.java b/src/main/java/com/saebyeok/saebyeok/domain/Emotion.java
index 0c47d9b2..2260f0f8 100644
--- a/src/main/java/com/saebyeok/saebyeok/domain/Emotion.java
+++ b/src/main/java/com/saebyeok/saebyeok/domain/Emotion.java
@@ -8,6 +8,7 @@
 import javax.persistence.Entity;
 import javax.persistence.Id;
 import javax.persistence.OneToMany;
+import java.util.ArrayList;
 import java.util.List;
 
 @Getter
@@ -23,7 +24,7 @@ public class Emotion {
     private String imageResource;
 
     @OneToMany(mappedBy = "emotion")
-    private List<SubEmotion> subEmotions;
+    private List<SubEmotion> subEmotions = new ArrayList<>();
 
     @Builder
     public Emotion(Long id, String name, String imageResource) {
diff --git a/src/main/java/com/saebyeok/saebyeok/domain/Gender.java b/src/main/java/com/saebyeok/saebyeok/domain/Gender.java
deleted file mode 100644
index 1c70d92b..00000000
--- a/src/main/java/com/saebyeok/saebyeok/domain/Gender.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.saebyeok.saebyeok.domain;
-
-import lombok.Getter;
-
-import java.util.Arrays;
-
-@Getter
-public enum Gender {
-    MALE("남성"),
-    FEMALE("여성"),
-    UNPROVIDED("비공개");
-
-    private final String name;
-
-    Gender(String name) {
-        this.name = name;
-    }
-
-    public static Gender findGender(String genderValue) {
-        return Arrays.stream(Gender.values())
-                .filter(gender -> gender.name().startsWith(genderValue))
-                .findAny().orElse(Gender.UNPROVIDED);
-    }
-}
diff --git a/src/main/java/com/saebyeok/saebyeok/domain/Member.java b/src/main/java/com/saebyeok/saebyeok/domain/Member.java
index ab248308..3f98ab46 100644
--- a/src/main/java/com/saebyeok/saebyeok/domain/Member.java
+++ b/src/main/java/com/saebyeok/saebyeok/domain/Member.java
@@ -1,7 +1,6 @@
 package com.saebyeok.saebyeok.domain;
 
 import lombok.AllArgsConstructor;
-import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import org.springframework.data.annotation.CreatedDate;
diff --git a/src/main/java/com/saebyeok/saebyeok/util/NicknameGenerator.java b/src/main/java/com/saebyeok/saebyeok/domain/NicknameGenerator.java
similarity index 53%
rename from src/main/java/com/saebyeok/saebyeok/util/NicknameGenerator.java
rename to src/main/java/com/saebyeok/saebyeok/domain/NicknameGenerator.java
index cb9f36f0..01976035 100644
--- a/src/main/java/com/saebyeok/saebyeok/util/NicknameGenerator.java
+++ b/src/main/java/com/saebyeok/saebyeok/domain/NicknameGenerator.java
@@ -1,32 +1,32 @@
-package com.saebyeok.saebyeok.util;
+package com.saebyeok.saebyeok.domain;
 
-import com.saebyeok.saebyeok.domain.Article;
-import com.saebyeok.saebyeok.domain.Member;
 import org.springframework.stereotype.Component;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Optional;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
 @Component
 public class NicknameGenerator {
-    public static final String WRITER_NICKNAME = "작성자";
-    public static final String NICKNAME_PREFIX = "익명#";
+
+    static final String WRITER_NICKNAME = "작성자";
+    private static final String NICKNAME_PREFIX = "익명#";
     private static final List<Integer> TOTAL_NUMBERS = IntStream.rangeClosed(1, 1000)
             .boxed()
             .collect(Collectors.toList());
 
-    public String generate(Member member, Article article) {
+    public String generate(Member member, Article article, List<Comment> comments) {
         if (article.isWrittenBy(member)) {
             return WRITER_NICKNAME;
         }
-        return article.loadExistingNickname(member)
-                .orElse(createNewNickname(article));
+        return loadExistingNickname(member, comments)
+                .orElseGet(() -> createNewNickname(comments));
     }
 
-    private String createNewNickname(Article article) {
-        List<String> allNicknames = article.getAllNicknames();
+    private String createNewNickname(List<Comment> comments) {
+        List<String> allNicknames = getAllNicknames(comments);
         List<String> filteredNicknames = allNicknames.stream()
                 .filter(s -> s.contains(NICKNAME_PREFIX))
                 .collect(Collectors.toList());
@@ -39,4 +39,17 @@ private String createNewNickname(Article article) {
         Collections.shuffle(filteredNumbers);
         return NICKNAME_PREFIX + filteredNumbers.get(0);
     }
+
+    private Optional<String> loadExistingNickname(Member member, List<Comment> comments) {
+        return comments.stream()
+                .filter(comment -> comment.isWrittenBy(member))
+                .findFirst()
+                .map(Comment::getNickname);
+    }
+
+    private List<String> getAllNicknames(List<Comment> comments) {
+        return comments.stream()
+                .map(Comment::getNickname)
+                .collect(Collectors.toList());
+    }
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/domain/report/Report.java b/src/main/java/com/saebyeok/saebyeok/domain/report/Report.java
index 478d6100..538db549 100644
--- a/src/main/java/com/saebyeok/saebyeok/domain/report/Report.java
+++ b/src/main/java/com/saebyeok/saebyeok/domain/report/Report.java
@@ -51,8 +51,4 @@ public Report(String content, Member member, ReportTarget reportTarget, Long tar
         this.targetContentId = targetContentId;
         this.reportCategory = reportCategory;
     }
-
-    public void finish() {
-        this.isFinished = true;
-    }
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/dto/ArticleCreateRequest.java b/src/main/java/com/saebyeok/saebyeok/dto/ArticleCreateRequest.java
index 6556d4c5..017a9c1b 100644
--- a/src/main/java/com/saebyeok/saebyeok/dto/ArticleCreateRequest.java
+++ b/src/main/java/com/saebyeok/saebyeok/dto/ArticleCreateRequest.java
@@ -1,15 +1,17 @@
 package com.saebyeok.saebyeok.dto;
 
 import com.saebyeok.saebyeok.domain.Article;
+import com.saebyeok.saebyeok.domain.Member;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
+import java.util.ArrayList;
 import java.util.List;
 
-import static com.saebyeok.saebyeok.domain.Article.*;
+import static com.saebyeok.saebyeok.domain.Article.MAX_LENGTH;
 
 @Getter
 @NoArgsConstructor
@@ -20,10 +22,10 @@ public class ArticleCreateRequest {
 
     @NotNull(message = "감정 대분류는 반드시 선택되어야 해요.")
     private Long emotionId;
-    private List<Long> subEmotionIds;
+    private List<Long> subEmotionIds = new ArrayList<>();
     private Boolean isCommentAllowed;
 
-    public Article toArticle() {
-        return new Article(content, isCommentAllowed);
+    public Article toArticle(Member member) {
+        return new Article(content, member, isCommentAllowed);
     }
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/dto/ArticleResponse.java b/src/main/java/com/saebyeok/saebyeok/dto/ArticleResponse.java
index 3503c6a0..2fa974c1 100644
--- a/src/main/java/com/saebyeok/saebyeok/dto/ArticleResponse.java
+++ b/src/main/java/com/saebyeok/saebyeok/dto/ArticleResponse.java
@@ -7,10 +7,7 @@
 import lombok.NoArgsConstructor;
 
 import java.time.LocalDateTime;
-import java.util.ArrayList;
 import java.util.List;
-import java.util.Objects;
-import java.util.stream.Collectors;
 
 @AllArgsConstructor
 @NoArgsConstructor
@@ -25,9 +22,9 @@ public class ArticleResponse {
     private Boolean isMine;
     private Long likesCount;
     private Boolean isLikedByMe;
-    private List<CommentResponse> comments;
+    private Long commentsSize;
 
-    public ArticleResponse(Article article, Member member, EmotionResponse emotion, List<SubEmotionResponse> subEmotions) {
+    public ArticleResponse(Article article, Member member, EmotionResponse emotion, List<SubEmotionResponse> subEmotions, Long commentsSize) {
         this.id = article.getId();
         this.content = article.getContent();
         this.createdDate = article.getCreatedDate();
@@ -37,17 +34,6 @@ public ArticleResponse(Article article, Member member, EmotionResponse emotion,
         this.isMine = article.isWrittenBy(member);
         this.likesCount = article.countLikes();
         this.isLikedByMe = article.isLikedBy(member);
-        this.comments = transformComments(article, member);
-    }
-
-    private List<CommentResponse> transformComments(Article article, Member member) {
-        if (Objects.isNull(article.getComments()) || article.getComments().isEmpty()) {
-            return new ArrayList<>();
-        }
-        return article.getComments().
-                stream().
-                sorted().
-                map(comment -> new CommentResponse(comment, member)).
-                collect(Collectors.toList());
+        this.commentsSize = commentsSize;
     }
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/dto/CommentCreateRequest.java b/src/main/java/com/saebyeok/saebyeok/dto/CommentCreateRequest.java
index e199d8bd..571ce15e 100644
--- a/src/main/java/com/saebyeok/saebyeok/dto/CommentCreateRequest.java
+++ b/src/main/java/com/saebyeok/saebyeok/dto/CommentCreateRequest.java
@@ -1,5 +1,8 @@
 package com.saebyeok.saebyeok.dto;
 
+import com.saebyeok.saebyeok.domain.Article;
+import com.saebyeok.saebyeok.domain.Comment;
+import com.saebyeok.saebyeok.domain.Member;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -7,8 +10,7 @@
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
 
-import static com.saebyeok.saebyeok.domain.Comment.MAX_LENGTH;
-import static com.saebyeok.saebyeok.domain.Comment.MIN_LENGTH;
+import static com.saebyeok.saebyeok.domain.Comment.*;
 
 @Getter
 @NoArgsConstructor
@@ -23,4 +25,14 @@ public class CommentCreateRequest {
     private Long articleId;
 
     private Long parentId;
+
+    public Comment toComment(Member member, String nickname, Article article, Comment parent) {
+        return builder().
+                content(this.content).
+                member(member).
+                nickname(nickname).
+                article(article).
+                parent(parent).
+                build();
+    }
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/dto/EmotionDetailResponse.java b/src/main/java/com/saebyeok/saebyeok/dto/EmotionDetailResponse.java
index 25740f52..42a698d9 100644
--- a/src/main/java/com/saebyeok/saebyeok/dto/EmotionDetailResponse.java
+++ b/src/main/java/com/saebyeok/saebyeok/dto/EmotionDetailResponse.java
@@ -27,7 +27,7 @@ public EmotionDetailResponse(Emotion emotion) {
     }
 
     private List<SubEmotionResponse> transformSubEmotions(Emotion emotion) {
-        if (Objects.isNull(emotion.getSubEmotions()) || emotion.getSubEmotions().isEmpty()) {
+        if (emotion.getSubEmotions().isEmpty()) {
             return new ArrayList<>();
         }
         return emotion.getSubEmotions().
diff --git a/src/main/java/com/saebyeok/saebyeok/dto/LoginRequest.java b/src/main/java/com/saebyeok/saebyeok/dto/LoginRequest.java
deleted file mode 100644
index f15af182..00000000
--- a/src/main/java/com/saebyeok/saebyeok/dto/LoginRequest.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package com.saebyeok.saebyeok.dto;
-
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-
-@Getter
-@NoArgsConstructor
-@AllArgsConstructor
-public class LoginRequest {
-    private String snsToken;
-}
diff --git a/src/main/java/com/saebyeok/saebyeok/dto/TokenResponse.java b/src/main/java/com/saebyeok/saebyeok/dto/TokenResponse.java
index 0cd5d383..aca010e2 100644
--- a/src/main/java/com/saebyeok/saebyeok/dto/TokenResponse.java
+++ b/src/main/java/com/saebyeok/saebyeok/dto/TokenResponse.java
@@ -10,4 +10,4 @@
 public class TokenResponse {
     private String accessToken;
     private String tokenType;
-}
\ No newline at end of file
+}
diff --git a/src/main/java/com/saebyeok/saebyeok/exception/ArticleEmotionNotFoundException.java b/src/main/java/com/saebyeok/saebyeok/exception/ArticleEmotionNotFoundException.java
index 42996f0f..ef01e5d9 100644
--- a/src/main/java/com/saebyeok/saebyeok/exception/ArticleEmotionNotFoundException.java
+++ b/src/main/java/com/saebyeok/saebyeok/exception/ArticleEmotionNotFoundException.java
@@ -4,4 +4,4 @@ public class ArticleEmotionNotFoundException extends RuntimeException {
     public ArticleEmotionNotFoundException(Long articleId) {
         super(articleId + "에 해당하는 게시글의 감정 대분류를 찾을 수 없습니다.");
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/com/saebyeok/saebyeok/exception/ArticleSubEmotionNotFoundException.java b/src/main/java/com/saebyeok/saebyeok/exception/ArticleSubEmotionNotFoundException.java
deleted file mode 100644
index 8bb93ff9..00000000
--- a/src/main/java/com/saebyeok/saebyeok/exception/ArticleSubEmotionNotFoundException.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package com.saebyeok.saebyeok.exception;
-
-public class ArticleSubEmotionNotFoundException extends RuntimeException {
-    public ArticleSubEmotionNotFoundException(Long articleId) {
-        super(articleId + "에 해당하는 게시글의 감정 소분류를 찾을 수 없습니다.");
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/com/saebyeok/saebyeok/infra/JwtTokenProvider.java b/src/main/java/com/saebyeok/saebyeok/infra/JwtTokenProvider.java
index b7a5c9ed..51ddbf9a 100644
--- a/src/main/java/com/saebyeok/saebyeok/infra/JwtTokenProvider.java
+++ b/src/main/java/com/saebyeok/saebyeok/infra/JwtTokenProvider.java
@@ -51,15 +51,11 @@ public String getSubject(String token) {
 
     public boolean isValidToken(String token) {
         try {
-            Jws<Claims> claims = Jwts.parser().setSigningKey(secretKey).parseClaimsJws(token);
+            Jwts.parser().setSigningKey(secretKey).parseClaimsJws(token);
 
-            if (claims.getBody().getExpiration().before(new Date())) {
-                return false;
-            }
             return true;
         } catch (JwtException | IllegalArgumentException e) {
             return false;
         }
     }
 }
-
diff --git a/src/main/java/com/saebyeok/saebyeok/security/CustomAuthenticationEntryPoint.java b/src/main/java/com/saebyeok/saebyeok/security/CustomAuthenticationEntryPoint.java
index ca8bde83..af753494 100644
--- a/src/main/java/com/saebyeok/saebyeok/security/CustomAuthenticationEntryPoint.java
+++ b/src/main/java/com/saebyeok/saebyeok/security/CustomAuthenticationEntryPoint.java
@@ -26,4 +26,4 @@ public void commence(HttpServletRequest request, HttpServletResponse response, A
         PrintWriter out = response.getWriter();
         out.print(json);
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/com/saebyeok/saebyeok/security/SuccessHandler.java b/src/main/java/com/saebyeok/saebyeok/security/SuccessHandler.java
index 1ae46f3a..78d14614 100644
--- a/src/main/java/com/saebyeok/saebyeok/security/SuccessHandler.java
+++ b/src/main/java/com/saebyeok/saebyeok/security/SuccessHandler.java
@@ -11,7 +11,6 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
-import java.util.Map;
 
 @AllArgsConstructor
 @Component
@@ -25,4 +24,4 @@ public void onAuthenticationSuccess(HttpServletRequest request, HttpServletRespo
 
         response.sendRedirect("/auth?token=bearer " + accessToken);
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/com/saebyeok/saebyeok/security/User.java b/src/main/java/com/saebyeok/saebyeok/security/User.java
index 75b37b1a..9b6f94ac 100644
--- a/src/main/java/com/saebyeok/saebyeok/security/User.java
+++ b/src/main/java/com/saebyeok/saebyeok/security/User.java
@@ -64,4 +64,3 @@ public boolean isEnabled() {
         return true;
     }
 }
-
diff --git a/src/main/java/com/saebyeok/saebyeok/security/dto/OAuthAttributes.java b/src/main/java/com/saebyeok/saebyeok/security/dto/OAuthAttributes.java
index 5b3fda2e..016b903b 100644
--- a/src/main/java/com/saebyeok/saebyeok/security/dto/OAuthAttributes.java
+++ b/src/main/java/com/saebyeok/saebyeok/security/dto/OAuthAttributes.java
@@ -1,6 +1,5 @@
 package com.saebyeok.saebyeok.security.dto;
 
-import com.saebyeok.saebyeok.domain.Gender;
 import com.saebyeok.saebyeok.domain.Member;
 import com.saebyeok.saebyeok.domain.Role;
 import lombok.Builder;
@@ -30,7 +29,7 @@ public static OAuthAttributes of(String registrationId, String userNameAttribute
         if ("google".equals(registrationId)) {
             return ofGoogle(userNameAttributeName, attributes);
         }
-        throw new IllegalArgumentException();
+        throw new IllegalArgumentException("올바르지 않은 소셜 로그인 방법입니다!");
     }
 
     private static OAuthAttributes ofGoogle(String userNameAttributeName, Map<String, Object> attributes) {
@@ -55,4 +54,4 @@ private static OAuthAttributes ofNaver(String userNameAttributeName, Map<String,
     public Member toEntity() {
         return new Member(id, loginMethod, Role.USER);
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/com/saebyeok/saebyeok/security/service/CustomOAuth2UserService.java b/src/main/java/com/saebyeok/saebyeok/security/service/CustomOAuth2UserService.java
index a5c4c457..bec618c3 100644
--- a/src/main/java/com/saebyeok/saebyeok/security/service/CustomOAuth2UserService.java
+++ b/src/main/java/com/saebyeok/saebyeok/security/service/CustomOAuth2UserService.java
@@ -8,7 +8,6 @@
 import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService;
 import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest;
 import org.springframework.security.oauth2.client.userinfo.OAuth2UserService;
-import org.springframework.security.oauth2.core.OAuth2AuthenticationException;
 import org.springframework.security.oauth2.core.user.DefaultOAuth2User;
 import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.stereotype.Service;
@@ -21,8 +20,8 @@ public class CustomOAuth2UserService implements OAuth2UserService<OAuth2UserRequ
     private final MemberService memberService;
 
     @Override
-    public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException {
-        OAuth2UserService delegate = new DefaultOAuth2UserService();
+    public OAuth2User loadUser(OAuth2UserRequest userRequest) {
+        OAuth2UserService<OAuth2UserRequest, OAuth2User> delegate = new DefaultOAuth2UserService();
         OAuth2User oAuth2User = delegate.loadUser(userRequest);
 
         String registrationId = userRequest.getClientRegistration().getRegistrationId();
diff --git a/src/main/java/com/saebyeok/saebyeok/security/service/UserService.java b/src/main/java/com/saebyeok/saebyeok/security/service/UserService.java
index 48644e57..f7c66ca1 100644
--- a/src/main/java/com/saebyeok/saebyeok/security/service/UserService.java
+++ b/src/main/java/com/saebyeok/saebyeok/security/service/UserService.java
@@ -6,7 +6,6 @@
 import lombok.AllArgsConstructor;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
-import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.stereotype.Service;
 
 @Service
@@ -15,7 +14,7 @@ public class UserService implements UserDetailsService {
     private final MemberService memberService;
 
     @Override
-    public UserDetails loadUserByUsername(String id) throws UsernameNotFoundException {
+    public UserDetails loadUserByUsername(String id) {
         Member member = memberService.findByOauthId(id);
         return User.builder()
                 .id(member.getId())
diff --git a/src/main/java/com/saebyeok/saebyeok/service/AnalysisService.java b/src/main/java/com/saebyeok/saebyeok/service/AnalysisService.java
index 1b70ee4e..efad2753 100644
--- a/src/main/java/com/saebyeok/saebyeok/service/AnalysisService.java
+++ b/src/main/java/com/saebyeok/saebyeok/service/AnalysisService.java
@@ -3,11 +3,12 @@
 import com.saebyeok.saebyeok.domain.Article;
 import com.saebyeok.saebyeok.domain.Comment;
 import com.saebyeok.saebyeok.domain.Member;
+import com.saebyeok.saebyeok.dto.ArticlesAnalysisResponse;
+import com.saebyeok.saebyeok.dto.CommentsAnalysisResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
-import java.util.stream.Collectors;
 
 @RequiredArgsConstructor
 @Service
@@ -19,26 +20,32 @@ public class AnalysisService {
     private final ArticleEmotionService articleEmotionService;
     private final CommentService commentService;
 
-    public List<Integer> findArticleEmotionsCount(Member member) {
+    public ArticlesAnalysisResponse getArticlesAnalysis(Member member) {
+        List<Integer> articleEmotionsCount = findArticleEmotionsCount(member);
+        Long mostEmotionId = findMostEmotionId(member);
+
+        return new ArticlesAnalysisResponse(articleEmotionsCount, mostEmotionId);
+    }
+
+    public CommentsAnalysisResponse getCommentsAnalysis(Member member) {
+        Long totalCommentsCount = commentService.countTotalCommentsBy(member);
+        Long totalCommentLikesCount = commentService.findAllCommentsBy(member).stream()
+                .mapToLong(Comment::countLikes)
+                .sum();
+
+        return new CommentsAnalysisResponse(totalCommentsCount, totalCommentLikesCount);
+    }
+
+    private List<Integer> findArticleEmotionsCount(Member member) {
         List<Article> memberArticles = articleService.getVisibleDaysArticles(member, VISIBLE_DAYS_ON_ANALYSIS);
         List<Long> allEmotionsIds = emotionService.getAllEmotionsIds();
 
         return articleEmotionService.findArticleEmotionsCount(memberArticles, allEmotionsIds);
     }
 
-    public Long findMostEmotionId(Member member) {
+    private Long findMostEmotionId(Member member) {
         List<Article> articlesByMemberAndVisibleDays = articleService.getVisibleDaysArticles(member, VISIBLE_DAYS_ON_ANALYSIS);
 
         return articleEmotionService.findMostEmotionIdInArticles(articlesByMemberAndVisibleDays);
     }
-
-    public Long countTotalCommentsBy(Member member) {
-        return commentService.countTotalCommentsBy(member);
-    }
-
-    public Long countTotalCommentLikesBy(Member member) {
-        return commentService.findAllCommentsBy(member).stream()
-                .mapToLong(Comment::countLikes)
-                .sum();
-    }
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/service/ArticleService.java b/src/main/java/com/saebyeok/saebyeok/service/ArticleService.java
index 9608004c..d4536f13 100644
--- a/src/main/java/com/saebyeok/saebyeok/service/ArticleService.java
+++ b/src/main/java/com/saebyeok/saebyeok/service/ArticleService.java
@@ -28,6 +28,7 @@ public class ArticleService {
     private static final String NOT_YOUR_ARTICLE_MESSAGE = "자신의 게시글이 아닙니다!";
 
     private final ArticleRepository articleRepository;
+    private final CommentService commentService;
     private final ArticleEmotionService articleEmotionService;
     private final ArticleSubEmotionService articleSubEmotionService;
 
@@ -44,15 +45,15 @@ public List<ArticleResponse> getArticles(Member member, int page, int size, List
                 map(article -> {
                     EmotionResponse emotionResponse = articleEmotionService.findEmotion(article);
                     List<SubEmotionResponse> subEmotionResponses = articleSubEmotionService.findSubEmotions(article);
-                    return new ArticleResponse(article, member, emotionResponse, subEmotionResponses);
+                    Long commentsSize = commentService.countComments(article.getId());
+                    return new ArticleResponse(article, member, emotionResponse, subEmotionResponses, commentsSize);
                 }).
                 collect(Collectors.toList());
     }
 
     @Transactional
     public Article createArticle(Member member, ArticleCreateRequest request) {
-        Article article = request.toArticle();
-        article.setMember(member);
+        Article article = request.toArticle(member);
 
         articleEmotionService.createArticleEmotion(article, request.getEmotionId());
         articleSubEmotionService.createArticleSubEmotion(article, request.getSubEmotionIds());
@@ -66,8 +67,9 @@ public ArticleResponse readArticle(Member member, Long articleId) {
                 .orElseThrow(() -> new ArticleNotFoundException(articleId));
         EmotionResponse emotionResponse = articleEmotionService.findEmotion(article);
         List<SubEmotionResponse> subEmotionResponses = articleSubEmotionService.findSubEmotions(article);
+        Long commentsSize = commentService.countComments(article.getId());
 
-        return new ArticleResponse(article, member, emotionResponse, subEmotionResponses);
+        return new ArticleResponse(article, member, emotionResponse, subEmotionResponses, commentsSize);
     }
 
     @Transactional
@@ -92,7 +94,8 @@ public List<ArticleResponse> getMemberArticles(Member member, int page, int size
                 map(article -> {
                     EmotionResponse emotionResponse = articleEmotionService.findEmotion(article);
                     List<SubEmotionResponse> subEmotionResponses = articleSubEmotionService.findSubEmotions(article);
-                    return new ArticleResponse(article, member, emotionResponse, subEmotionResponses);
+                    Long commentsSize = commentService.countComments(article.getId());
+                    return new ArticleResponse(article, member, emotionResponse, subEmotionResponses, commentsSize);
                 }).
                 collect(Collectors.toList());
     }
@@ -102,8 +105,9 @@ public ArticleResponse readMemberArticle(Member member, Long articleId) {
                 .orElseThrow(() -> new ArticleNotFoundException(articleId));
         EmotionResponse emotionResponse = articleEmotionService.findEmotion(article);
         List<SubEmotionResponse> subEmotionResponses = articleSubEmotionService.findSubEmotions(article);
+        Long commentsSize = commentService.countComments(article.getId());
 
-        return new ArticleResponse(article, member, emotionResponse, subEmotionResponses);
+        return new ArticleResponse(article, member, emotionResponse, subEmotionResponses, commentsSize);
     }
 
     private List<ArticleResponse> filterArticles(Member member, List<Article> articles, List<Long> emotionIds, Pageable pageable) {
@@ -112,7 +116,8 @@ private List<ArticleResponse> filterArticles(Member member, List<Article> articl
                 map(article -> {
                     EmotionResponse emotionResponse = articleEmotionService.findEmotion(article);
                     List<SubEmotionResponse> subEmotionResponses = articleSubEmotionService.findSubEmotions(article);
-                    return new ArticleResponse(article, member, emotionResponse, subEmotionResponses);
+                    Long commentsSize = commentService.countComments(article.getId());
+                    return new ArticleResponse(article, member, emotionResponse, subEmotionResponses, commentsSize);
                 }).
                 collect(Collectors.toList());
     }
diff --git a/src/main/java/com/saebyeok/saebyeok/service/ArticleSubEmotionService.java b/src/main/java/com/saebyeok/saebyeok/service/ArticleSubEmotionService.java
index 595de279..be5fe25f 100644
--- a/src/main/java/com/saebyeok/saebyeok/service/ArticleSubEmotionService.java
+++ b/src/main/java/com/saebyeok/saebyeok/service/ArticleSubEmotionService.java
@@ -5,10 +5,8 @@
 import com.saebyeok.saebyeok.domain.ArticleSubEmotionRepository;
 import com.saebyeok.saebyeok.domain.SubEmotionRepository;
 import com.saebyeok.saebyeok.dto.SubEmotionResponse;
-import com.saebyeok.saebyeok.exception.ArticleSubEmotionNotFoundException;
 import com.saebyeok.saebyeok.exception.SubEmotionNotFoundException;
 import lombok.RequiredArgsConstructor;
-import org.springframework.dao.EmptyResultDataAccessException;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -28,8 +26,8 @@ public void createArticleSubEmotion(Article article, List<Long> subEmotionIds) {
                 map(subEmotion -> new ArticleSubEmotion(article, subEmotion)).
                 collect(Collectors.toList());
 
-        for (ArticleSubEmotion articleSubEmotion : articleSubEmotions) {
-            articleSubEmotionRepository.save(articleSubEmotion);
+        if (!articleSubEmotions.isEmpty()) {
+            articleSubEmotionRepository.saveAll(articleSubEmotions);
         }
     }
 
diff --git a/src/main/java/com/saebyeok/saebyeok/service/CommentService.java b/src/main/java/com/saebyeok/saebyeok/service/CommentService.java
index cc93530d..f1997221 100644
--- a/src/main/java/com/saebyeok/saebyeok/service/CommentService.java
+++ b/src/main/java/com/saebyeok/saebyeok/service/CommentService.java
@@ -2,14 +2,15 @@
 
 import com.saebyeok.saebyeok.domain.*;
 import com.saebyeok.saebyeok.dto.CommentCreateRequest;
+import com.saebyeok.saebyeok.dto.CommentResponse;
 import com.saebyeok.saebyeok.exception.ArticleNotFoundException;
 import com.saebyeok.saebyeok.exception.CommentNotFoundException;
-import com.saebyeok.saebyeok.util.NicknameGenerator;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 @RequiredArgsConstructor
 @Service
@@ -20,13 +21,17 @@ public class CommentService {
     private final ArticleRepository articleRepository;
     private final NicknameGenerator nicknameGenerator;
 
-    @Transactional
-    public Comment createComment(Member member, CommentCreateRequest commentCreateRequest) {
-        Comment comment = toComment(member, commentCreateRequest);
-        return commentRepository.save(comment);
+    public List<CommentResponse> getComment(Member member, Long articleId) {
+        List<Comment> comments = commentRepository.findAllByArticleId(articleId);
+        return comments.
+                stream().
+                sorted().
+                map(comment -> new CommentResponse(comment, member)).
+                collect(Collectors.toList());
     }
 
-    private Comment toComment(Member member, CommentCreateRequest commentCreateRequest) {
+    @Transactional
+    public Comment createComment(Member member, CommentCreateRequest commentCreateRequest) {
         Long articleId = commentCreateRequest.getArticleId();
         Article article = articleRepository.findById(articleId).
                 orElseThrow(() -> new ArticleNotFoundException(articleId));
@@ -39,13 +44,10 @@ private Comment toComment(Member member, CommentCreateRequest commentCreateReque
             parent = null;
         }
 
-        return Comment.builder()
-                .content(commentCreateRequest.getContent())
-                .member(member)
-                .nickname(nicknameGenerator.generate(member, article))
-                .article(article)
-                .parent(parent)
-                .build();
+        List<Comment> comments = commentRepository.findAllByArticleId(articleId);
+        String nickname = nicknameGenerator.generate(member, article, comments);
+        Comment comment = commentCreateRequest.toComment(member, nickname, article, parent);
+        return commentRepository.save(comment);
     }
 
     public Long countTotalCommentsBy(Member member) {
@@ -63,7 +65,11 @@ public void deleteComment(Member member, Long commentId) throws IllegalAccessExc
         if (!comment.isWrittenBy(member)) {
             throw new IllegalAccessException(NOT_YOUR_COMMENT_MESSAGE);
         }
-        comment.setIsDeleted(true);
+        comment.delete();
         commentRepository.save(comment);
     }
+
+    public Long countComments(Long articleId) {
+        return commentRepository.countCommentsByArticleId(articleId);
+    }
 }
diff --git a/src/main/java/com/saebyeok/saebyeok/service/EmotionService.java b/src/main/java/com/saebyeok/saebyeok/service/EmotionService.java
index 6bfb2349..87e6e7f6 100644
--- a/src/main/java/com/saebyeok/saebyeok/service/EmotionService.java
+++ b/src/main/java/com/saebyeok/saebyeok/service/EmotionService.java
@@ -6,6 +6,7 @@
 import com.saebyeok.saebyeok.dto.EmotionResponse;
 import com.saebyeok.saebyeok.exception.EmotionNotFoundException;
 import lombok.RequiredArgsConstructor;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -17,13 +18,15 @@ public class EmotionService {
 
     private final EmotionRepository emotionRepository;
 
+    @Cacheable(value = "Emotions")
     public List<EmotionResponse> getEmotions() {
         return emotionRepository.findAll().
-            stream().
+                stream().
                 map(EmotionResponse::new).
                 collect(Collectors.toList());
     }
 
+    @Cacheable(value = "EmotionDetailResponse")
     public EmotionDetailResponse readEmotion(Long emotionId) {
         Emotion emotion = emotionRepository.findById(emotionId).
                 orElseThrow(() -> new EmotionNotFoundException(emotionId));
@@ -31,6 +34,7 @@ public EmotionDetailResponse readEmotion(Long emotionId) {
         return new EmotionDetailResponse(emotion);
     }
 
+    @Cacheable(value = "AllEmotionsIds")
     public List<Long> getAllEmotionsIds() {
         return emotionRepository.findAll().
                 stream().
diff --git a/src/main/java/com/saebyeok/saebyeok/service/report/ReportService.java b/src/main/java/com/saebyeok/saebyeok/service/report/ReportService.java
index 2f2e3edd..1dd2c431 100644
--- a/src/main/java/com/saebyeok/saebyeok/service/report/ReportService.java
+++ b/src/main/java/com/saebyeok/saebyeok/service/report/ReportService.java
@@ -9,6 +9,7 @@
 import com.saebyeok.saebyeok.dto.report.ReportCreateRequest;
 import com.saebyeok.saebyeok.exception.ReportCategoryNotFoundException;
 import lombok.RequiredArgsConstructor;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -21,6 +22,7 @@ public class ReportService {
     private final ReportCategoryRepository reportCategoryRepository;
     private final ReportRepository reportRepository;
 
+    @Cacheable(value = "ReportCategories")
     public List<ReportCategoryResponse> getReportCategories() {
         return reportCategoryRepository.findAll().
                 stream().
diff --git a/src/main/resources/config b/src/main/resources/config
index d76401a5..4041f32c 160000
--- a/src/main/resources/config
+++ b/src/main/resources/config
@@ -1 +1 @@
-Subproject commit d76401a5994a0e2a18ba8b67dee387ef0ac3ce1a
+Subproject commit 4041f32c4e4c0e6e22a32623cfdca3fe8748f43c
diff --git a/src/test/java/com/saebyeok/saebyeok/acceptance/AcceptanceTest.java b/src/test/java/com/saebyeok/saebyeok/acceptance/AcceptanceTest.java
index b5ee3ba9..6be9eb65 100644
--- a/src/test/java/com/saebyeok/saebyeok/acceptance/AcceptanceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/acceptance/AcceptanceTest.java
@@ -1,6 +1,7 @@
 package com.saebyeok.saebyeok.acceptance;
 
 import com.saebyeok.saebyeok.dto.ArticleResponse;
+import com.saebyeok.saebyeok.dto.CommentResponse;
 import com.saebyeok.saebyeok.infra.JwtTokenProvider;
 import io.restassured.RestAssured;
 import io.restassured.specification.RequestSpecification;
@@ -23,7 +24,6 @@
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 public class AcceptanceTest {
     static final String API = "/api";
-    static final Long MEMBER_ID = 1L;
     static final Long ARTICLE_ID = 1L;
     static final String ARTICLE_CONTENT = "내용입니다";
     static final String COMMENT_CONTENT = "새벽 좋아요";
@@ -42,12 +42,12 @@ public static RequestSpecification given() {
     }
 
     @BeforeEach
-    public void setUp() {
+    protected void setUp() {
         RestAssured.port = port;
         TOKEN = jwtTokenProvider.createToken("123456789");
     }
 
-    public ArticleResponse readArticle(Long id) {
+    protected ArticleResponse readArticle(Long id) {
         //@formatter:off
         return
                 given().
@@ -62,7 +62,7 @@ public ArticleResponse readArticle(Long id) {
         //@formatter:on
     }
 
-    public void createArticle(String content, Long emotionId, List<Long> subEmotionIds, Boolean isCommentAllowed) {
+    protected void createArticle(String content, Long emotionId, List<Long> subEmotionIds, Boolean isCommentAllowed) {
         Map<String, Object> params = new HashMap<>();
         params.put("content", content);
         params.put("emotionId", emotionId);
@@ -83,7 +83,7 @@ public void createArticle(String content, Long emotionId, List<Long> subEmotionI
         //@formatter:on
     }
 
-    public Long createCommentOf(Long targetArticleId) {
+    protected Long createCommentOf(Long targetArticleId) {
         Map<String, Object> params = new HashMap<>();
         params.put("content", COMMENT_CONTENT);
         params.put("articleId", targetArticleId);
@@ -102,6 +102,21 @@ public Long createCommentOf(Long targetArticleId) {
                         statusCode(HttpStatus.CREATED.value()).
                         extract().as(Long.class);
         //@formatter:on
+    }
 
+    protected List<CommentResponse> getComments(Long articleId) {
+        //@formatter:off
+        return
+                given().
+                        auth().oauth2(TOKEN).
+                        accept(MediaType.APPLICATION_JSON_VALUE).
+                when().
+                        get(API + "/articles/" + articleId + "/comments").
+                then().
+                        log().all().
+                        extract().
+                        jsonPath().
+                        getList(".", CommentResponse.class);
+        //@formatter:on
     }
 }
\ No newline at end of file
diff --git a/src/test/java/com/saebyeok/saebyeok/acceptance/CommentAcceptanceTest.java b/src/test/java/com/saebyeok/saebyeok/acceptance/CommentAcceptanceTest.java
index 99cdd548..f9ee115e 100644
--- a/src/test/java/com/saebyeok/saebyeok/acceptance/CommentAcceptanceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/acceptance/CommentAcceptanceTest.java
@@ -1,6 +1,5 @@
 package com.saebyeok.saebyeok.acceptance;
 
-import com.saebyeok.saebyeok.dto.ArticleResponse;
 import com.saebyeok.saebyeok.dto.CommentResponse;
 import com.saebyeok.saebyeok.dto.ExceptionResponse;
 import org.junit.jupiter.api.BeforeEach;
@@ -16,12 +15,14 @@
 
 import static com.saebyeok.saebyeok.domain.Comment.MAX_LENGTH;
 import static com.saebyeok.saebyeok.domain.Comment.MIN_LENGTH;
-import static com.saebyeok.saebyeok.domain.CommentTest.OVER_LENGTH_CONTENT;
-import static com.saebyeok.saebyeok.domain.CommentTest.UNDER_LENGTH_CONTENT;
 import static org.assertj.core.api.Assertions.assertThat;
 
 class CommentAcceptanceTest extends AcceptanceTest {
     private static final Long NOT_EXIST_COMMENT_ID = 10L;
+    public static final String UNDER_LENGTH_CONTENT = "";
+    public static final String OVER_LENGTH_CONTENT = "나만 잘되게 해주세요(강보라 지음·인물과사상사)=자존감이 높은 사람과 ‘관종’의 차이는 무엇일까? " +
+            "‘취향 존중’이 유행하고, ‘오이를 싫어하는 사람들의 모임’이 생기는 이유는 뭘까? 이 시대 새로운 지위를 차지하고 있는 ‘개인’에 관한 탐구 보고서. " +
+            "1만4000원.\n";
     private static final String RECOMMENT_CONTENT = "대댓글 내용입니다.";
 
     private Map<String, Object> params = new HashMap<>();
@@ -78,8 +79,8 @@ void manageComment() {
         Long commentAId = createCommentOf(ARTICLE_ID);
 
         //then 댓글이 등록에 성공한다. (현재 댓글 1개, 대댓글 0개)
-        ArticleResponse articleResponse = readArticle(ARTICLE_ID);
-        assertThat(articleResponse.getComments()).
+        List<CommentResponse> commentResponses = getComments(ARTICLE_ID);
+        assertThat(commentResponses).
                 hasSize(1).
                 extracting("id").
                 contains(commentAId);
@@ -103,10 +104,10 @@ void manageComment() {
         Long commentCId = createCommentOf(ARTICLE_ID);
 
         //when 게시글에 달린 댓글을 모두 조회한다.
-        articleResponse = readArticle(ARTICLE_ID);
+        commentResponses = getComments(ARTICLE_ID);
 
         //then 댓글 목록의 조회에 성공한다. (A, B, C 순으로 조회된다.)
-        assertThat(articleResponse.getComments()).
+        assertThat(commentResponses).
                 hasSize(3).
                 extracting("id").
                 containsExactly(commentAId, commentBId, commentCId);
@@ -116,14 +117,14 @@ void manageComment() {
         Long commentEId = createRecommentOf(ARTICLE_ID, commentBId);
 
         //then 대댓글이 저장된다. (현재 댓글 3개, 대댓글 2개)
-        List<CommentResponse> commentResponses = readRecomments();
+        commentResponses = readRecomments();
         assertThat(commentResponses).hasSize(2);
 
         //when 댓글 전체를 조회한다.
-        articleResponse = readArticle(ARTICLE_ID);
+        commentResponses = getComments(ARTICLE_ID);
 
         //then 댓글 목록의 조회에 성공한다. (A -> B -> D -> E -> C 순으로 조회된다.)
-        assertThat(articleResponse.getComments()).
+        assertThat(commentResponses).
                 hasSize(5).
                 extracting("id").
                 containsExactly(commentAId, commentBId, commentDId, commentEId, commentCId);
@@ -139,8 +140,8 @@ void manageComment() {
         deleteComment(1L);
 
         //then 댓글 삭제에 성공한다.
-        articleResponse = readArticle(ARTICLE_ID);
-        assertThat(articleResponse.getComments().stream().
+        commentResponses = getComments(ARTICLE_ID);
+        assertThat(commentResponses.stream().
                 filter(commentResponse -> !commentResponse.getIsDeleted())).
                 hasSize(4).
                 extracting("id").
@@ -216,19 +217,7 @@ private Long createRecommentOf(Long articleId, Long commentId) {
     }
 
     private List<CommentResponse> readRecomments() {
-        //@formatter:off
-        ArticleResponse articleResponse =
-                given().
-                        auth().oauth2(TOKEN).
-                when().
-                        get(API + "/articles/" + ARTICLE_ID).
-                then().
-                        log().all().
-                        extract().
-                        as(ArticleResponse.class);
-        //@formatter:on
-
-        return articleResponse.getComments().stream()
+        return getComments(ARTICLE_ID).stream()
                 .filter(comment -> !comment.getHasNoParent())
                 .collect(Collectors.toList());
     }
diff --git a/src/test/java/com/saebyeok/saebyeok/acceptance/EmotionAcceptanceTest.java b/src/test/java/com/saebyeok/saebyeok/acceptance/EmotionAcceptanceTest.java
index 366f200c..2c117e13 100644
--- a/src/test/java/com/saebyeok/saebyeok/acceptance/EmotionAcceptanceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/acceptance/EmotionAcceptanceTest.java
@@ -12,7 +12,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class EmotionAcceptanceTest extends AcceptanceTest {
+class EmotionAcceptanceTest extends AcceptanceTest {
     private static final Long NOT_EXIST_EMOTION_ID = 10000L;
 
     /**
diff --git a/src/test/java/com/saebyeok/saebyeok/acceptance/LikeAcceptanceTest.java b/src/test/java/com/saebyeok/saebyeok/acceptance/LikeAcceptanceTest.java
index 0b913f23..7de18b5f 100644
--- a/src/test/java/com/saebyeok/saebyeok/acceptance/LikeAcceptanceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/acceptance/LikeAcceptanceTest.java
@@ -8,7 +8,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class LikeAcceptanceTest extends AcceptanceTest {
+class LikeAcceptanceTest extends AcceptanceTest {
     private static final long COMMENT_ID = 1L;
 
     /**
@@ -39,29 +39,29 @@ void manageLike() {
         likeArticle(ARTICLE_ID);
 
         // then 해당 게시글에 공감이 추가된다.
-        ArticleResponse LikedArticle = readArticle(ARTICLE_ID);
-        assertThat(LikedArticle.getLikesCount()).isEqualTo(1);
+        ArticleResponse likedArticle = readArticle(ARTICLE_ID);
+        assertThat(likedArticle.getLikesCount()).isEqualTo(1);
 
         // when 이미 공감한 글을 공감 취소한다.
         unlikeArticle(ARTICLE_ID);
 
         // then 해당 게시글에 적용된 공감이 제거된다.
-        ArticleResponse UnLikedArticle = readArticle(ARTICLE_ID);
-        assertThat(UnLikedArticle.getLikesCount()).isEqualTo(0);
+        ArticleResponse unLikedArticle = readArticle(ARTICLE_ID);
+        assertThat(unLikedArticle.getLikesCount()).isZero();
 
         // when 회원이 댓글을 공감한다.
         likeComment(ARTICLE_ID, COMMENT_ID);
 
         // then 해당 댓글에 공감이 추가된다.
-        CommentResponse LikedComment = readArticle(ARTICLE_ID).getComments().get(0);
-        assertThat(LikedComment.getLikesCount()).isEqualTo(1);
+        CommentResponse likedComment = getComments(ARTICLE_ID).get(0);
+        assertThat(likedComment.getLikesCount()).isEqualTo(1);
 
         // when 이미 공감한 댓글을 공감 취소한다.
         unlikeComment(ARTICLE_ID, COMMENT_ID);
 
         // then 해당 댓글에 적용된 공감이 제거된다.
-        CommentResponse UnLikedComment = readArticle(ARTICLE_ID).getComments().get(0);
-        assertThat(UnLikedComment.getLikesCount()).isEqualTo(0);
+        CommentResponse unLikedComment = getComments(ARTICLE_ID).get(0);
+        assertThat(unLikedComment.getLikesCount()).isZero();
     }
 
     private void likeArticle(Long articleId) {
diff --git a/src/test/java/com/saebyeok/saebyeok/acceptance/ReportCategoryAcceptanceTest.java b/src/test/java/com/saebyeok/saebyeok/acceptance/ReportCategoryAcceptanceTest.java
index 832412b5..0aca222f 100644
--- a/src/test/java/com/saebyeok/saebyeok/acceptance/ReportCategoryAcceptanceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/acceptance/ReportCategoryAcceptanceTest.java
@@ -8,7 +8,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class ReportCategoryAcceptanceTest extends AcceptanceTest {
+class ReportCategoryAcceptanceTest extends AcceptanceTest {
     /**
      * Scenario: ReportCategory를 조회할 수 있다.
      * <p>
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/AnalysisControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/AnalysisControllerTest.java
new file mode 100644
index 00000000..720c5ffb
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/controller/AnalysisControllerTest.java
@@ -0,0 +1,75 @@
+package com.saebyeok.saebyeok.controller;
+
+import com.saebyeok.saebyeok.domain.Member;
+import com.saebyeok.saebyeok.dto.ArticlesAnalysisResponse;
+import com.saebyeok.saebyeok.dto.CommentsAnalysisResponse;
+import com.saebyeok.saebyeok.service.AnalysisService;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.WithUserDetails;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.hamcrest.Matchers.hasSize;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
+@SpringBootTest
+public class AnalysisControllerTest {
+    private static final String API = "/api";
+
+    private MockMvc mockMvc;
+
+    @MockBean
+    private AnalysisService analysisService;
+
+    @BeforeEach
+    void setUp(WebApplicationContext context) {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(context)
+                .apply(springSecurity())
+                .build();
+    }
+
+    @DisplayName("'/analysis/articles'로 get 요청을 보내면 게시물에 대한 분석 정보를 받는다")
+    @Test
+    void getArticlesAnalysisTest() throws Exception {
+        List<Integer> articleEmotionsCount = Arrays.asList(1, 2, 3, 4, 5, 6);
+        Long mostEmotionId = 6L;
+        ArticlesAnalysisResponse articlesAnalysisResponse = new ArticlesAnalysisResponse(articleEmotionsCount, mostEmotionId);
+        when(analysisService.getArticlesAnalysis(any(Member.class))).thenReturn(articlesAnalysisResponse);
+
+        this.mockMvc.perform(get(API + "/analysis/articles").
+                accept(MediaType.APPLICATION_JSON_VALUE)).
+                andExpect(status().isOk()).
+                andExpect(jsonPath("$.articleEmotionsCount", hasSize(articleEmotionsCount.size()))).
+                andExpect(jsonPath("$.mostEmotionId").value(mostEmotionId));
+    }
+
+    @DisplayName("'/analysis/comments'로 get 요청을 보내면 댓글에 대한 분석 정보를 받는다")
+    @Test
+    void getCommentsAnalysisTest() throws Exception {
+        Long totalCommentsCount = 1L;
+        Long totalCommentLikesCount = 3L;
+        CommentsAnalysisResponse commentsAnalysisResponse = new CommentsAnalysisResponse(totalCommentsCount, totalCommentLikesCount);
+        when(analysisService.getCommentsAnalysis(any(Member.class))).thenReturn(commentsAnalysisResponse);
+
+        this.mockMvc.perform(get(API + "/analysis/comments").
+                accept(MediaType.APPLICATION_JSON_VALUE)).
+                andExpect(status().isOk()).
+                andExpect(jsonPath("$.totalCommentsCount").value(totalCommentsCount)).
+                andExpect(jsonPath("$.totalCommentLikesCount").value(totalCommentLikesCount));
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/ArticleControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/ArticleControllerTest.java
index b04f0713..a2b19b46 100644
--- a/src/test/java/com/saebyeok/saebyeok/controller/ArticleControllerTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/controller/ArticleControllerTest.java
@@ -46,7 +46,8 @@ class ArticleControllerTest {
     private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
     private static final Emotion TEST_EMOTION_1 = new Emotion(1L, "기뻐요", "이미지 리소스");
     private static final Emotion TEST_EMOTION_2 = new Emotion(2L, "슬퍼요", "이미지 리소스");
-    private static final List<SubEmotion> TEST_SUB_EMOTIONS = Arrays.asList(new SubEmotion(1L, "행복해요"), new SubEmotion(2L, "설레요"));
+    private static final SubEmotion TEST_SUB_EMOTION_1 = new SubEmotion(1L, "행복해요");
+    public static final Boolean TEST_IS_LIKED_BY_ME = false;
     private static final Boolean TEST_IS_MINE = true;
     private static final Boolean TEST_IS_COMMENT_ALLOWED = true;
     private static final Long TEST_ID_1 = 1L;
@@ -58,7 +59,9 @@ class ArticleControllerTest {
     private static final Integer TEST_PAGE_SIZE = 10;
     private static final Long TEST_LIKES_COUNT = 10L;
     private static final String INVALID_CONTENT = "이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다. 이 글은 300자가 넘어가는 글입니다.";
-    public static final boolean TEST_IS_LIKED_BY_ME = false;
+    private static final List<SubEmotion> TEST_SUB_EMOTIONS = Arrays.asList(TEST_SUB_EMOTION_1, new SubEmotion(2L,
+            "설레요"));
+    private static final Long TEST_COMMENTS_SIZE = 3L;
 
     private MockMvc mockMvc;
     private List<ArticleResponse> articles;
@@ -72,9 +75,12 @@ void setUp(WebApplicationContext context) {
                 .apply(springSecurity())
                 .build();
         this.articles = new ArrayList<>();
-        List<SubEmotionResponse> subEmotionResponses = TEST_SUB_EMOTIONS.stream().map(SubEmotionResponse::new).collect(Collectors.toList());
-        articles.add(new ArticleResponse(TEST_ID_1, TEST_CONTENT_1, LocalDateTime.now(), new EmotionResponse(TEST_EMOTION_1), subEmotionResponses, TEST_IS_COMMENT_ALLOWED, TEST_IS_MINE, TEST_LIKES_COUNT, TEST_IS_LIKED_BY_ME, null));
-        articles.add(new ArticleResponse(TEST_ID_2, TEST_CONTENT_2, LocalDateTime.of(2020, 6, 12, 5, 30, 0), new EmotionResponse(TEST_EMOTION_2), subEmotionResponses, TEST_IS_COMMENT_ALLOWED, TEST_IS_MINE, TEST_LIKES_COUNT, TEST_IS_LIKED_BY_ME, null));
+        List<SubEmotionResponse> subEmotionResponses =
+                TEST_SUB_EMOTIONS.stream().map(SubEmotionResponse::new).collect(Collectors.toList());
+        articles.add(new ArticleResponse(TEST_ID_1, TEST_CONTENT_1, LocalDateTime.now(), new EmotionResponse(TEST_EMOTION_1), subEmotionResponses,
+                TEST_IS_COMMENT_ALLOWED, TEST_IS_MINE, TEST_LIKES_COUNT, TEST_IS_LIKED_BY_ME, TEST_COMMENTS_SIZE));
+        articles.add(new ArticleResponse(TEST_ID_2, TEST_CONTENT_2, LocalDateTime.of(2020, 6, 12, 5, 30, 0), new EmotionResponse(TEST_EMOTION_2), subEmotionResponses,
+                TEST_IS_COMMENT_ALLOWED, TEST_IS_MINE, TEST_LIKES_COUNT, TEST_IS_LIKED_BY_ME, TEST_COMMENTS_SIZE));
     }
 
     @DisplayName("'/articles'로 get 요청을 보내면 글 목록 리스트를 받는다")
@@ -109,7 +115,7 @@ void getArticlesWithGuestUserTest() throws Exception {
     void createArticleTest() throws Exception {
         ArticleCreateRequest request = new ArticleCreateRequest(TEST_CONTENT_1, TEST_EMOTION_1.getId(), Collections.emptyList(), TEST_IS_COMMENT_ALLOWED);
         String requestAsString = OBJECT_MAPPER.writeValueAsString(request);
-        Article article = new Article(TEST_CONTENT_1, TEST_IS_COMMENT_ALLOWED);
+        Article article = new Article(TEST_CONTENT_1, null, TEST_IS_COMMENT_ALLOWED);
 
         when(articleService.createArticle(any(Member.class), any(ArticleCreateRequest.class))).thenReturn(article);
 
@@ -120,7 +126,7 @@ void createArticleTest() throws Exception {
                 andDo(print());
     }
 
-    @DisplayName("예외 테스트: 제한 글자수를 넘었을때 예외가 발생한다")
+    @DisplayName("예외 테스트: '/articles'로 post 요청을 보내는 글의 내용이 제한 글자수를 넘으면 예외가 발생한다")
     @Test
     void overLengthContentTest() throws Exception {
         ArticleCreateRequest request = new ArticleCreateRequest(INVALID_CONTENT, TEST_EMOTION_1.getId(), Collections.emptyList(), TEST_IS_COMMENT_ALLOWED);
@@ -133,7 +139,7 @@ void overLengthContentTest() throws Exception {
                 andDo(print());
     }
 
-    @DisplayName("ID로 개별 글 조회를 요청하면 해당 글을 전달 받는다")
+    @DisplayName("'/articles/{articleId}'로 get 요청을 보내면 articleId에 해당하는 글을 받는다")
     @Test
     void readArticleTest() throws Exception {
         when(articleService.readArticle(any(Member.class), eq(TEST_ID_1))).thenReturn(articles.get(0));
@@ -144,13 +150,14 @@ void readArticleTest() throws Exception {
                 andExpect(jsonPath("$.id").value(TEST_ID_1)).
                 andExpect(jsonPath("$.content").value(TEST_CONTENT_1)).
                 andExpect(jsonPath("$.emotion.name").value(TEST_EMOTION_1.getName())).
+                andExpect(jsonPath("$.subEmotions[0].name").value(TEST_SUB_EMOTION_1.getName())).
                 andExpect(jsonPath("$.isCommentAllowed").value(TEST_IS_COMMENT_ALLOWED)).
                 andExpect(jsonPath("$.likesCount").value(TEST_LIKES_COUNT)).
                 andExpect(jsonPath("$.isLikedByMe").value(TEST_IS_LIKED_BY_ME));
     }
 
     @WithAnonymousUser
-    @DisplayName("ID로 개별 글 조회를 요청하면 해당 글을 전달 받는다")
+    @DisplayName("비회원이 '/articles/{articleId}'로 get 요청을 보내면 articleId에 해당하는 글을 받는다")
     @Test
     void readArticleWithGuestUserTest() throws Exception {
         when(articleService.readArticle(any(Member.class), eq(TEST_ID_1))).thenReturn(articles.get(0));
@@ -161,12 +168,13 @@ void readArticleWithGuestUserTest() throws Exception {
                 andExpect(jsonPath("$.id").value(TEST_ID_1)).
                 andExpect(jsonPath("$.content").value(TEST_CONTENT_1)).
                 andExpect(jsonPath("$.emotion.name").value(TEST_EMOTION_1.getName())).
+                andExpect(jsonPath("$.subEmotions[0].name").value(TEST_SUB_EMOTION_1.getName())).
                 andExpect(jsonPath("$.isCommentAllowed").value(TEST_IS_COMMENT_ALLOWED)).
                 andExpect(jsonPath("$.likesCount").value(TEST_LIKES_COUNT)).
                 andExpect(jsonPath("$.isLikedByMe").value(TEST_IS_LIKED_BY_ME));
     }
 
-    @DisplayName("예외 테스트: 없는 ID의 글 조회를 요청하면 ArticleNotFoundException이 발생한다")
+    @DisplayName("예외 테스트: '/articles/{articleId}'로 get 요청을 보냈을 때 articleId가 존재하지 않으면 ArticleNotFoundException이 발생한다")
     @Test
     void readArticleExceptionTest() throws Exception {
         when(articleService.readArticle(any(Member.class), eq(INVALID_ARTICLE_ID)))
@@ -177,7 +185,7 @@ void readArticleExceptionTest() throws Exception {
                 andExpect(status().isBadRequest());
     }
 
-    @DisplayName("특정 ID의 글 삭제를 요청하면 해당 글을 삭제한다")
+    @DisplayName("'/articles/{articleId}'로 delete 요청을 보내면 articleId에 해당하는 글을 삭제한다")
     @Test
     void deleteArticleTest() throws Exception {
         doNothing().when(articleService).deleteArticle(any(Member.class), eq(TEST_ID_1));
@@ -186,7 +194,7 @@ void deleteArticleTest() throws Exception {
                 andExpect(status().isNoContent());
     }
 
-    @DisplayName("예외 테스트: 없는 ID의 글 삭제를 요청하면 ArticleNotFoundException이 발생한다")
+    @DisplayName("예외 테스트: '/articles/{articleId}'로 delete 요청을 보냈을 때 articleId가 존재하지 않으면 ArticleNotFoundException이 발생한다")
     @Test
     void deleteArticleExceptionTest() throws Exception {
         doThrow(new ArticleNotFoundException(INVALID_ARTICLE_ID))
@@ -197,7 +205,7 @@ void deleteArticleExceptionTest() throws Exception {
                 andExpect(status().isBadRequest());
     }
 
-    @DisplayName("사용자가 쓴 게시글 목록을 날짜에 상관없이 불러온다")
+    @DisplayName("'/member/articles'로 get 요청을 보내면 사용자가 작성한 글 목록 리스트를 작성 날짜와 상관없이 받는다")
     @Test
     void memberArticleLoadTest() throws Exception {
         when(articleService.getMemberArticles(any(), eq(TEST_PAGE_NUMBER), eq(TEST_PAGE_SIZE), any())).thenReturn(articles);
@@ -212,7 +220,7 @@ void memberArticleLoadTest() throws Exception {
                 andExpect(jsonPath("$[1].content").value(TEST_CONTENT_2));
     }
 
-    @DisplayName("ID로 사용자가 쓴 글 조회를 요청하면 해당 글을 전달 받는다")
+    @DisplayName("'/member/articles/{articleId}'로 get 요청을 보내면 articleId에 해당하는 글을 받는다")
     @Test
     void memberArticleReadTest() throws Exception {
         when(articleService.readMemberArticle(any(Member.class), eq(TEST_ID_2))).thenReturn(articles.get(1));
@@ -223,6 +231,7 @@ void memberArticleReadTest() throws Exception {
                 andExpect(jsonPath("$.id").value(TEST_ID_2)).
                 andExpect(jsonPath("$.content").value(TEST_CONTENT_2)).
                 andExpect(jsonPath("$.emotion.name").value(TEST_EMOTION_2.getName())).
+                andExpect(jsonPath("$.subEmotions[0].name").value(TEST_SUB_EMOTION_1.getName())).
                 andExpect(jsonPath("$.isCommentAllowed").value(TEST_IS_COMMENT_ALLOWED)).
                 andExpect(jsonPath("$.likesCount").value(TEST_LIKES_COUNT)).
                 andExpect(jsonPath("$.isLikedByMe").value(TEST_IS_LIKED_BY_ME));
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/CommentControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/CommentControllerTest.java
index dff4a9f7..4cdb870f 100644
--- a/src/test/java/com/saebyeok/saebyeok/controller/CommentControllerTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/controller/CommentControllerTest.java
@@ -4,6 +4,7 @@
 import com.saebyeok.saebyeok.domain.Comment;
 import com.saebyeok.saebyeok.domain.Member;
 import com.saebyeok.saebyeok.dto.CommentCreateRequest;
+import com.saebyeok.saebyeok.dto.CommentResponse;
 import com.saebyeok.saebyeok.exception.ArticleNotFoundException;
 import com.saebyeok.saebyeok.service.CommentService;
 import org.junit.jupiter.api.BeforeEach;
@@ -19,14 +20,17 @@
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
-import static com.saebyeok.saebyeok.domain.CommentTest.TEST_CONTENT;
+import java.util.Arrays;
+import java.util.List;
+
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.Matchers.hasSize;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.Mockito.*;
 import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
@@ -35,6 +39,7 @@ class CommentControllerTest {
     private static final String API = "/api";
     private static final Long COMMENT_ID = 1L;
     private static final Long ARTICLE_ID = 1L;
+    private static final String TEST_CONTENT = "내용";
     private static final Long INVALID_ARTICLE_ID = 100L;
 
     private MockMvc mockMvc;
@@ -42,7 +47,6 @@ class CommentControllerTest {
     @MockBean
     private CommentService commentService;
 
-    // TODO: 2020/07/20 controllerTest가 더 생기면 objectMapper 공통 사용 고려하기
     @Autowired
     private ObjectMapper objectMapper;
 
@@ -53,7 +57,21 @@ void setUp(WebApplicationContext context) {
                 .build();
     }
 
-    @DisplayName("댓글 등록 요청을 받을 때, 댓글을 등록 후 댓글 id를 반환한다.")
+    @DisplayName("'/articles/{articleId}/comments'로 get 요청을 보내면 해당 게시글의 댓글 목록 리스트를 받는다")
+    @Test
+    void getCommentsTest() throws Exception {
+        CommentResponse commentResponse = new CommentResponse(COMMENT_ID, "새벽 좋아요", "닉네임", null, null, null, null, null, null);
+        List<CommentResponse> commentResponses = Arrays.asList(commentResponse);
+        when(commentService.getComment(any(Member.class), anyLong())).thenReturn(commentResponses);
+
+        this.mockMvc.perform(get(API + "/articles/" + ARTICLE_ID + "/comments").
+                accept(MediaType.APPLICATION_JSON_VALUE)).
+                andExpect(jsonPath("$", hasSize(1))).
+                andExpect(jsonPath("$[0].content").value("새벽 좋아요")).
+                andExpect(jsonPath("$[0].nickname").value("닉네임"));
+    }
+
+    @DisplayName("'/articles/{articleId}/comments'로 create 요청을 보내면 해당 게시글의 댓글을 등록 후 댓글 id를 반환한다.")
     @Test
     void createCommentTest() throws Exception {
         when(commentService.createComment(any(), any())).thenReturn(new Comment(COMMENT_ID, null, null, null, null, null, null, null, null));
@@ -72,7 +90,6 @@ void createCommentTest() throws Exception {
         Long savedCommentId = Long.parseLong(mvcResult.getResponse().getContentAsString());
 
         assertThat(savedCommentId).isEqualTo(COMMENT_ID);
-
     }
 
     @DisplayName("예외 테스트: 최소 길이보다 짧은 댓글 등록 메서드를 호출했을 때, 예외가 발생한다")
@@ -121,7 +138,7 @@ void notExistArticleIdTest() throws Exception {
     }
 
 
-    @DisplayName("댓글 삭제 요청을 받을 때, 댓글을 삭제한다")
+    @DisplayName("'/articles/{articleId}/comments/{commentId}'로 delete 요청을 보내면 해당 게시글의 댓글을 삭제한다")
     @Test
     void deleteCommentTest() throws Exception {
         doNothing().when(commentService).deleteComment(any(Member.class), anyLong());
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/EmotionControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/EmotionControllerTest.java
index 0aa39c3d..30400ab2 100644
--- a/src/test/java/com/saebyeok/saebyeok/controller/EmotionControllerTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/controller/EmotionControllerTest.java
@@ -29,7 +29,7 @@
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @SpringBootTest
-public class EmotionControllerTest {
+class EmotionControllerTest {
     private static final String API = "/api";
     private static final Long TEST_ID = 1L;
     private static final String TEST_NAME = "기뻐요";
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/LikeControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/LikeControllerTest.java
index 86c86236..64cda3d1 100644
--- a/src/test/java/com/saebyeok/saebyeok/controller/LikeControllerTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/controller/LikeControllerTest.java
@@ -148,4 +148,4 @@ void likeExceptionWithGuestUserTest() throws Exception {
         this.mockMvc.perform(post("/api/articles/" + ARTICLE_ID + "/likes")).
                 andExpect(status().isUnauthorized());
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/MemberControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/MemberControllerTest.java
index 036503ed..c6884ed1 100644
--- a/src/test/java/com/saebyeok/saebyeok/controller/MemberControllerTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/controller/MemberControllerTest.java
@@ -1,22 +1,16 @@
 package com.saebyeok.saebyeok.controller;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.saebyeok.saebyeok.dto.CommentCreateRequest;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.http.MediaType;
 import org.springframework.security.test.context.support.WithUserDetails;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
-import static com.saebyeok.saebyeok.domain.CommentTest.TEST_CONTENT;
 import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
 import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/ReportControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/ReportControllerTest.java
index da7da1a0..7a2f9c03 100644
--- a/src/test/java/com/saebyeok/saebyeok/controller/ReportControllerTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/controller/ReportControllerTest.java
@@ -35,14 +35,13 @@
 
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
 @SpringBootTest
-public class ReportControllerTest {
-    // TODO: 2020/10/05 ReportController에 신고 조회 로직 없이 신고 생성 로직만 있어서, 부득이하게 신고에 대한 인수테스트를 만들지 않았음. 추후 기능 추가시 작성해보자.
+class ReportControllerTest {
+    private static final String API = "/api";
     public static final String TEST_REPORT_CONTENT = "신고 본문입니다.";
     public static final Long TEST_TARGET_CONTENT_ID = 1L;
     private static final Long TEST_CATEGORY_ID = 1L;
     private static final String TEST_CATEGORY_NAME = "광고 게시물";
     private static final String TEST_CATEGORY_CONTENT = "상업적 목적을 가진 게시물에 해당합니다.";
-    private static final String API = "/api";
     private static final String TEST_REPORT_TARGET = "ARTICLE";
 
     private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/common/CommonControllerTest.java b/src/test/java/com/saebyeok/saebyeok/controller/common/CommonControllerTest.java
new file mode 100644
index 00000000..4489d21b
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/controller/common/CommonControllerTest.java
@@ -0,0 +1,25 @@
+package com.saebyeok.saebyeok.controller.common;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
+
+@SpringBootTest(webEnvironment = RANDOM_PORT)
+class CommonControllerTest {
+
+    @Autowired
+    private TestRestTemplate restTemplate;
+
+    @DisplayName("현재 active된 profile의 set 값 확인")
+    @Test
+    public void profileTest() {
+        String profile = this.restTemplate.getForObject("/profile", String.class);
+
+        assertThat(profile).isEqualTo("set1");
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolverTest.java b/src/test/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolverTest.java
index 58bc64da..6ea71e8a 100644
--- a/src/test/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolverTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/controller/resolver/LoginMemberArgumentResolverTest.java
@@ -30,12 +30,16 @@ class LoginMemberArgumentResolverTest {
 
     @Mock
     private MethodParameter parameter;
+
     @Mock
     private ModelAndViewContainer mavContainer;
+
     @Mock
     private NativeWebRequest webRequest;
+
     @Mock
     private WebDataBinderFactory binderFactory;
+
     @Mock
     private Method method;
 
@@ -54,7 +58,7 @@ void resolveArgumentTest() {
 
     @WithAnonymousUser
     @DisplayName("비회원이 피드 혹은 글 디테일 페이지에 접근하면 빈 Member를 리턴한다.")
-    @ValueSource(strings = {"getArticles", "readArticle"})
+    @ValueSource(strings = {"getArticles", "readArticle", "getComments"})
     @ParameterizedTest
     void anonymousResolverArgumentTest(String methodName) {
         when(parameter.getMethod()).thenReturn(method);
@@ -64,4 +68,4 @@ void anonymousResolverArgumentTest(String methodName) {
 
         assertThat((Member) member).isNotNull();
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/documentation/AnalysisDocumentation.java b/src/test/java/com/saebyeok/saebyeok/documentation/AnalysisDocumentation.java
index 9ef45b54..5ea107f4 100644
--- a/src/test/java/com/saebyeok/saebyeok/documentation/AnalysisDocumentation.java
+++ b/src/test/java/com/saebyeok/saebyeok/documentation/AnalysisDocumentation.java
@@ -2,6 +2,8 @@
 
 import com.saebyeok.saebyeok.documentation.common.Documentation;
 import com.saebyeok.saebyeok.domain.Member;
+import com.saebyeok.saebyeok.dto.ArticlesAnalysisResponse;
+import com.saebyeok.saebyeok.dto.CommentsAnalysisResponse;
 import com.saebyeok.saebyeok.dto.TokenResponse;
 import com.saebyeok.saebyeok.service.AnalysisService;
 import org.junit.jupiter.api.BeforeEach;
@@ -34,7 +36,7 @@
 
 @SpringBootTest
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
-public class AnalysisDocumentation extends Documentation {
+class AnalysisDocumentation extends Documentation {
     protected TokenResponse tokenResponse;
     private MockMvc mockMvc;
 
@@ -54,9 +56,9 @@ public void setUp(WebApplicationContext context, RestDocumentationContextProvide
     void getArticlesAnalysis() throws Exception {
         List<Integer> articleEmotionsCount = Arrays.asList(5, 3, 4, 0, 1, 1);
         Long mostEmotionId = 1L;
+        ArticlesAnalysisResponse articlesAnalysisResponse = new ArticlesAnalysisResponse(articleEmotionsCount, mostEmotionId);
 
-        given(analysisService.findArticleEmotionsCount(any(Member.class))).willReturn(articleEmotionsCount);
-        given(analysisService.findMostEmotionId(any(Member.class))).willReturn(mostEmotionId);
+        given(analysisService.getArticlesAnalysis(any(Member.class))).willReturn(articlesAnalysisResponse);
 
         this.mockMvc.perform(get("/api/analysis/articles").
                 header("Authorization", tokenResponse.getTokenType() + " " + tokenResponse.getAccessToken()).
@@ -64,17 +66,15 @@ void getArticlesAnalysis() throws Exception {
                 andExpect(status().isOk()).
                 andDo(print()).
                 andDo(document("analysis/articles",
-                               getDocumentRequest(),
-                               getDocumentResponse(),
-                               requestHeaders(
-                                       headerWithName("Authorization").description("Bearer auth credentials")
-                               ),
-                               responseFields(
-                                       fieldWithPath("articleEmotionsCount").type(JsonFieldType.ARRAY)
-                                               .description("감정 대분류 별 사용자가 작성한 게시글의 개수 (감정 대분류 순서대로 배열)"),
-                                       fieldWithPath("mostEmotionId").type(JsonFieldType.NUMBER)
-                                               .description("사용자가 최근 일정 기간 동안 작성한 게시글 중 가장 많은 감정 대분류의 ID")
-                               )
+                        getDocumentRequest(),
+                        getDocumentResponse(),
+                        requestHeaders(
+                                headerWithName("Authorization").description("Bearer auth credentials")
+                        ),
+                        responseFields(
+                                fieldWithPath("articleEmotionsCount").type(JsonFieldType.ARRAY).description("감정 대분류 별 사용자가 작성한 게시글의 개수 (감정 대분류 순서대로 배열)"),
+                                fieldWithPath("mostEmotionId").type(JsonFieldType.NUMBER).description("사용자가 최근 일정 기간 동안 작성한 게시글 중 가장 많은 감정 대분류의 ID")
+                        )
                 ));
     }
 
@@ -82,8 +82,8 @@ void getArticlesAnalysis() throws Exception {
     void getCommentsAnalysis() throws Exception {
         Long totalCommentsCount = 42L;
         Long totalCommentLikesCount = 7L;
-        given(analysisService.countTotalCommentsBy(any(Member.class))).willReturn(totalCommentsCount);
-        given(analysisService.countTotalCommentLikesBy(any(Member.class))).willReturn(totalCommentLikesCount);
+        CommentsAnalysisResponse commentsAnalysisResponse = new CommentsAnalysisResponse(totalCommentsCount, totalCommentLikesCount);
+        given(analysisService.getCommentsAnalysis(any(Member.class))).willReturn(commentsAnalysisResponse);
 
         this.mockMvc.perform(get("/api/analysis/comments").
                 header("Authorization", tokenResponse.getTokenType() + " " + tokenResponse.getAccessToken()).
@@ -91,17 +91,15 @@ void getCommentsAnalysis() throws Exception {
                 andExpect(status().isOk()).
                 andDo(print()).
                 andDo(document("analysis/comments",
-                               getDocumentRequest(),
-                               getDocumentResponse(),
-                               requestHeaders(
-                                       headerWithName("Authorization").description("Bearer auth credentials")
-                               ),
-                               responseFields(
-                                       fieldWithPath("totalCommentsCount").type(JsonFieldType.NUMBER)
-                                               .description("사용자가 작성한 댓글의 총 개수"),
-                                       fieldWithPath("totalCommentLikesCount").type(JsonFieldType.NUMBER)
-                                               .description("사용자가 작성한 댓글에 받은 공감의 총 개수")
-                               )
+                        getDocumentRequest(),
+                        getDocumentResponse(),
+                        requestHeaders(
+                                headerWithName("Authorization").description("Bearer auth credentials")
+                        ),
+                        responseFields(
+                                fieldWithPath("totalCommentsCount").type(JsonFieldType.NUMBER).description("사용자가 작성한 댓글의 총 개수"),
+                                fieldWithPath("totalCommentLikesCount").type(JsonFieldType.NUMBER).description("사용자가 작성한 댓글에 받은 공감의 총 개수")
+                        )
                 ));
     }
 }
diff --git a/src/test/java/com/saebyeok/saebyeok/documentation/ArticleDocumentation.java b/src/test/java/com/saebyeok/saebyeok/documentation/ArticleDocumentation.java
index 2d0d51ad..04f240c2 100644
--- a/src/test/java/com/saebyeok/saebyeok/documentation/ArticleDocumentation.java
+++ b/src/test/java/com/saebyeok/saebyeok/documentation/ArticleDocumentation.java
@@ -37,7 +37,7 @@
 
 @SpringBootTest
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
-public class ArticleDocumentation extends Documentation {
+class ArticleDocumentation extends Documentation {
     private static final Long ARTICLE_ID = 1L;
 
     protected TokenResponse tokenResponse;
@@ -61,7 +61,7 @@ public void setUp(WebApplicationContext context, RestDocumentationContextProvide
     @Test
     void createArticle() throws Exception {
         ArticleCreateRequest articleCreateRequest = new ArticleCreateRequest("내용", 1L, Arrays.asList(1L, 2L), true);
-        Article article = articleCreateRequest.toArticle();
+        Article article = articleCreateRequest.toArticle(new Member());
 
         given(articleService.createArticle(any(), any())).willReturn(article);
 
@@ -84,8 +84,7 @@ void createArticle() throws Exception {
                                 fieldWithPath("content").type(JsonFieldType.STRING).description("게시물 내용"),
                                 fieldWithPath("emotionId").type(JsonFieldType.NUMBER).description("게시물 감정 대분류의 ID"),
                                 fieldWithPath("subEmotionIds[]").type(JsonFieldType.ARRAY).description("게시물 감정 소분류의 ID 목록"),
-                                fieldWithPath("isCommentAllowed").type(JsonFieldType.BOOLEAN).description("게시물의 댓글 허용 " +
-                                        "여부")),
+                                fieldWithPath("isCommentAllowed").type(JsonFieldType.BOOLEAN).description("게시물의 댓글 허용 여부")),
                         responseHeaders(
                                 headerWithName("Location").description("생성 성공 시 해당 주소로 이동")
                         )
@@ -94,11 +93,10 @@ void createArticle() throws Exception {
 
     @Test
     void readArticle() throws Exception {
-        List<CommentResponse> comments = Arrays.asList(new CommentResponse(1L, "댓글1", "닉네임1", false,
-                LocalDateTime.now(), true, 10L, false, true));
         EmotionResponse emotionResponse = new EmotionResponse(1L, "기뻐요", "이미지 리소스 링크");
         List<SubEmotionResponse> subEmotionResponses = Arrays.asList(new SubEmotionResponse(1L, "행복해요"), new SubEmotionResponse(2L, "설레요"));
-        ArticleResponse articleResponse = new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse, subEmotionResponses, true, true, 10L, false, comments);
+        ArticleResponse articleResponse = new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse,
+                subEmotionResponses, true, true, 10L, false, 3L);
 
         given(articleService.readArticle(any(Member.class), any())).willReturn(articleResponse);
 
@@ -127,35 +125,21 @@ void readArticle() throws Exception {
                                 fieldWithPath("subEmotions[]").type(JsonFieldType.ARRAY).description("조회할 게시물의 감정 소분류 목록"),
                                 fieldWithPath("subEmotions[].id").type(JsonFieldType.NUMBER).description("조회할 게시물의 감정 소분류의 ID"),
                                 fieldWithPath("subEmotions[].name").type(JsonFieldType.STRING).description("조회할 게시물의 감정 소분류의 이름"),
-                                fieldWithPath("isCommentAllowed").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글" +
-                                        " 허용 여부"),
+                                fieldWithPath("isCommentAllowed").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글 허용 여부"),
                                 fieldWithPath("isMine").type(JsonFieldType.BOOLEAN).description("조회할 게시글이 내가 쓴 글인지 여부"),
                                 fieldWithPath("likesCount").type(JsonFieldType.NUMBER).description("조회할 게시글이 받은 공감의 수"),
                                 fieldWithPath("isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("comments[]").type(JsonFieldType.ARRAY).description("조회할 게시물의 댓글 목록"),
-                                fieldWithPath("comments[].id").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글의 ID"),
-                                fieldWithPath("comments[].content").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 내용"),
-                                fieldWithPath("comments[].nickname").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 " +
-                                        "닉네임"),
-                                fieldWithPath("comments[].isDeleted").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글의 삭제 여부"),
-                                fieldWithPath("comments[].createdDate").type(JsonFieldType.STRING).description("조회할 게시물의 댓글의 작성 시간"),
-                                fieldWithPath("comments[].isMine").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 내가 쓴 댓글인지 여부"),
-                                fieldWithPath("comments[].likesCount").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글이 받은 공감의 수"),
-                                fieldWithPath("comments[].isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("comments[].hasNoParent").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 상위 댓글인지 여부")
+                                fieldWithPath("commentsSize").type(JsonFieldType.NUMBER).description("조회할 게시글에 달린 댓글의 수")
                         )
                 ));
     }
 
     @Test
     void readMemberArticle() throws Exception {
-        List<CommentResponse> comments = Arrays.asList(new CommentResponse(1L, "댓글1", "닉네임1", false,
-                LocalDateTime.now(), true, 10L, false, true));
         EmotionResponse emotionResponse = new EmotionResponse(1L, "기뻐요", "이미지 리소스 링크");
         List<SubEmotionResponse> subEmotionResponses = Arrays.asList(new SubEmotionResponse(1L, "행복해요"), new SubEmotionResponse(2L, "설레요"));
-        ArticleResponse articleResponse = new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse, subEmotionResponses, true, true, 10L, false, comments);
+        ArticleResponse articleResponse = new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse,
+                subEmotionResponses, true, true, 10L, false, 3L);
 
         given(articleService.readMemberArticle(any(Member.class), any())).willReturn(articleResponse);
 
@@ -184,35 +168,20 @@ void readMemberArticle() throws Exception {
                                 fieldWithPath("subEmotions[]").type(JsonFieldType.ARRAY).description("조회할 게시물의 감정 소분류 목록"),
                                 fieldWithPath("subEmotions[].id").type(JsonFieldType.NUMBER).description("조회할 게시물의 감정 소분류의 ID"),
                                 fieldWithPath("subEmotions[].name").type(JsonFieldType.STRING).description("조회할 게시물의 감정 소분류의 이름"),
-                                fieldWithPath("isCommentAllowed").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글" +
-                                        " 허용 여부"),
+                                fieldWithPath("isCommentAllowed").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글" + " 허용 여부"),
                                 fieldWithPath("isMine").type(JsonFieldType.BOOLEAN).description("조회할 게시글이 내가 쓴 글인지 여부"),
                                 fieldWithPath("likesCount").type(JsonFieldType.NUMBER).description("조회할 게시글이 받은 공감의 수"),
                                 fieldWithPath("isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("comments[]").type(JsonFieldType.ARRAY).description("조회할 게시물의 댓글 목록"),
-                                fieldWithPath("comments[].id").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글의 ID"),
-                                fieldWithPath("comments[].content").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 내용"),
-                                fieldWithPath("comments[].nickname").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 " +
-                                        "닉네임"),
-                                fieldWithPath("comments[].isDeleted").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글의 삭제 여부"),
-                                fieldWithPath("comments[].createdDate").type(JsonFieldType.STRING).description("조회할 게시물의 댓글의 작성 시간"),
-                                fieldWithPath("comments[].isMine").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 내가 쓴 댓글인지 여부"),
-                                fieldWithPath("comments[].likesCount").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글이 받은 공감의 수"),
-                                fieldWithPath("comments[].isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("comments[].hasNoParent").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 상위 댓글인지 여부")
+                                fieldWithPath("commentsSize").type(JsonFieldType.NUMBER).description("조회할 게시글에 달린 댓글의 수")
                         )
                 ));
     }
 
     @Test
     void getArticles() throws Exception {
-        List<CommentResponse> comments = Arrays.asList(new CommentResponse(1L, "댓글1", "닉네임1", false,
-                LocalDateTime.now(), true, 10L, false, true));
         EmotionResponse emotionResponse = new EmotionResponse(1L, "기뻐요", "이미지 리소스 링크");
         List<SubEmotionResponse> subEmotionResponses = Arrays.asList(new SubEmotionResponse(1L, "행복해요"), new SubEmotionResponse(2L, "설레요"));
-        ArticleResponse articleResponse = new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse, subEmotionResponses, true, true, 10L, false, comments);
+        ArticleResponse articleResponse = new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse, subEmotionResponses, true, true, 10L, false, 3L);
 
         List<ArticleResponse> articleResponses = Arrays.asList(articleResponse);
 
@@ -233,7 +202,6 @@ void getArticles() throws Exception {
                                 parameterWithName("page").description("확인할 게시물의 페이지"),
                                 parameterWithName("size").description("확인할 게시물의 개수"),
                                 parameterWithName("emotionIds").description("필터링할 게시물의 감정 대분류 목록")
-                                // TODO: 2020/08/19 위 값은 필수가 아니다. 추후 문서화를 수정하면서 필수/비필수 칼럼을 만들면 도움이 될듯
                         ),
                         responseFields(
                                 fieldWithPath("[]").type(JsonFieldType.ARRAY).description("전체 게시물의 목록"),
@@ -247,40 +215,21 @@ void getArticles() throws Exception {
                                 fieldWithPath("[].subEmotions[]").type(JsonFieldType.ARRAY).description("게시물의 감정 소분류 목록"),
                                 fieldWithPath("[].subEmotions[].id").type(JsonFieldType.NUMBER).description("게시물의 감정 소분류의 ID"),
                                 fieldWithPath("[].subEmotions[].name").type(JsonFieldType.STRING).description("게시물의 감정 소분류의 이름"),
-                                fieldWithPath("[].isCommentAllowed").type(JsonFieldType.BOOLEAN).description("게시물의 댓글" +
-                                        " 허용 " +
-                                        "여부"),
+                                fieldWithPath("[].isCommentAllowed").type(JsonFieldType.BOOLEAN).description("게시물의 댓글 허용 여부"),
                                 fieldWithPath("[].isMine").type(JsonFieldType.BOOLEAN).description("게시물이 내가 쓴 글인지 여부"),
                                 fieldWithPath("[].likesCount").type(JsonFieldType.NUMBER).description("조회할 게시글이 받은 공감의 수"),
                                 fieldWithPath("[].isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("[].comments[]").type(JsonFieldType.ARRAY).description("조회할 게시물의 댓글 목록"),
-                                fieldWithPath("[].comments[].id").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글의" +
-                                        " ID"),
-                                fieldWithPath("[].comments[].content").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 내용"),
-                                fieldWithPath("[].comments[].nickname").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 " +
-                                        "닉네임"),
-                                fieldWithPath("[].comments[].isDeleted").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글의 삭제 여부"),
-                                fieldWithPath("[].comments[].createdDate").type(JsonFieldType.STRING).description("조회할 게시물의 댓글의 작성 시간"),
-                                fieldWithPath("[].comments[].isMine").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 내가 쓴 댓글인지 여부"),
-                                fieldWithPath("[].comments[].likesCount").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글이 받은 공감의 수"),
-                                fieldWithPath("[].comments[].isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("[].comments[].hasNoParent").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 상위 댓글인지 여부")
+                                fieldWithPath("[].commentsSize").type(JsonFieldType.NUMBER).description("조회할 게시글에 달린 댓글의 수")
                         )
                 ));
     }
 
     @Test
     void getMemberArticles() throws Exception {
-        List<CommentResponse> comments = Arrays.asList(
-                new CommentResponse(1L, "댓글1", "닉네임1", false,
-                        LocalDateTime.now(), true, 10L, false, true));
         EmotionResponse emotionResponse = new EmotionResponse(1L, "기뻐요", "이미지 리소스 링크");
-        List<SubEmotionResponse> subEmotionResponses =
-                Arrays.asList(new SubEmotionResponse(1L, "행복해요"), new SubEmotionResponse(2L, "설레요"));
-        ArticleResponse articleResponse =
-                new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse, subEmotionResponses, true, true, 10L, false, comments);
+        List<SubEmotionResponse> subEmotionResponses = Arrays.asList(new SubEmotionResponse(1L, "행복해요"), new SubEmotionResponse(2L, "설레요"));
+        ArticleResponse articleResponse = new ArticleResponse(ARTICLE_ID, "내용", LocalDateTime.now(), emotionResponse,
+                subEmotionResponses, true, true, 10L, false, 3L);
 
         List<ArticleResponse> articleResponses = Arrays.asList(articleResponse);
 
@@ -301,7 +250,6 @@ void getMemberArticles() throws Exception {
                                 parameterWithName("page").description("확인할 게시물의 페이지"),
                                 parameterWithName("size").description("확인할 게시물의 개수"),
                                 parameterWithName("emotionIds").description("필터링할 게시물의 감정 대분류 목록")
-                                // TODO: 2020/08/19 위 값은 필수가 아니다. 추후 문서화를 수정하면서 필수/비필수 칼럼을 만들면 도움이 될듯
                         ),
                         responseFields(
                                 fieldWithPath("[]").type(JsonFieldType.ARRAY).description("전체 게시물의 목록"),
@@ -315,26 +263,11 @@ void getMemberArticles() throws Exception {
                                 fieldWithPath("[].subEmotions[]").type(JsonFieldType.ARRAY).description("게시물의 감정 소분류 목록"),
                                 fieldWithPath("[].subEmotions[].id").type(JsonFieldType.NUMBER).description("게시물의 감정 소분류의 ID"),
                                 fieldWithPath("[].subEmotions[].name").type(JsonFieldType.STRING).description("게시물의 감정 소분류의 이름"),
-                                fieldWithPath("[].isCommentAllowed").type(JsonFieldType.BOOLEAN).description("게시물의 댓글" +
-                                        " 허용 " +
-                                        "여부"),
+                                fieldWithPath("[].isCommentAllowed").type(JsonFieldType.BOOLEAN).description("게시물의 댓글 허용 여부"),
                                 fieldWithPath("[].isMine").type(JsonFieldType.BOOLEAN).description("게시물이 내가 쓴 글인지 여부"),
                                 fieldWithPath("[].likesCount").type(JsonFieldType.NUMBER).description("조회할 게시글이 받은 공감의 수"),
                                 fieldWithPath("[].isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("[].comments[]").type(JsonFieldType.ARRAY).description("조회할 게시물의 댓글 목록"),
-                                fieldWithPath("[].comments[].id").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글의" +
-                                        " ID"),
-                                fieldWithPath("[].comments[].content").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 내용"),
-                                fieldWithPath("[].comments[].nickname").type(JsonFieldType.STRING).description("조회할 게시물의 " +
-                                        "댓글의 " +
-                                        "닉네임"),
-                                fieldWithPath("[].comments[].isDeleted").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글의 삭제 여부"),
-                                fieldWithPath("[].comments[].createdDate").type(JsonFieldType.STRING).description("조회할 게시물의 댓글의 작성 시간"),
-                                fieldWithPath("[].comments[].isMine").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 내가 쓴 댓글인지 여부"),
-                                fieldWithPath("[].comments[].likesCount").type(JsonFieldType.NUMBER).description("조회할 게시물의 댓글이 받은 공감의 수"),
-                                fieldWithPath("[].comments[].isLikedByMe").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글을 내가 공감한 상태인지 여부"),
-                                fieldWithPath("[].comments[].hasNoParent").type(JsonFieldType.BOOLEAN).description("조회할 게시물의 댓글이 상위 댓글인지 여부")
+                                fieldWithPath("[].commentsSize").type(JsonFieldType.NUMBER).description("조회할 게시글에 달린 댓글의 수")
                         )
                 ));
     }
diff --git a/src/test/java/com/saebyeok/saebyeok/documentation/CommentDocumentation.java b/src/test/java/com/saebyeok/saebyeok/documentation/CommentDocumentation.java
index adb97798..986220e1 100644
--- a/src/test/java/com/saebyeok/saebyeok/documentation/CommentDocumentation.java
+++ b/src/test/java/com/saebyeok/saebyeok/documentation/CommentDocumentation.java
@@ -4,6 +4,7 @@
 import com.saebyeok.saebyeok.documentation.common.Documentation;
 import com.saebyeok.saebyeok.domain.Comment;
 import com.saebyeok.saebyeok.dto.CommentCreateRequest;
+import com.saebyeok.saebyeok.dto.CommentResponse;
 import com.saebyeok.saebyeok.dto.TokenResponse;
 import com.saebyeok.saebyeok.service.CommentService;
 import org.junit.jupiter.api.BeforeEach;
@@ -19,15 +20,17 @@
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
+import java.time.LocalDateTime;
+import java.util.Arrays;
+import java.util.List;
+
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.BDDMockito.given;
 import static org.springframework.restdocs.headers.HeaderDocumentation.*;
 import static org.springframework.restdocs.mockmvc.MockMvcRestDocumentation.document;
 import static org.springframework.restdocs.mockmvc.MockMvcRestDocumentation.documentationConfiguration;
-import static org.springframework.restdocs.mockmvc.RestDocumentationRequestBuilders.delete;
-import static org.springframework.restdocs.mockmvc.RestDocumentationRequestBuilders.post;
-import static org.springframework.restdocs.payload.PayloadDocumentation.fieldWithPath;
-import static org.springframework.restdocs.payload.PayloadDocumentation.requestFields;
+import static org.springframework.restdocs.mockmvc.RestDocumentationRequestBuilders.*;
+import static org.springframework.restdocs.payload.PayloadDocumentation.*;
 import static org.springframework.restdocs.request.RequestDocumentation.parameterWithName;
 import static org.springframework.restdocs.request.RequestDocumentation.pathParameters;
 import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
@@ -36,7 +39,7 @@
 
 @SpringBootTest
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
-public class CommentDocumentation extends Documentation {
+class CommentDocumentation extends Documentation {
     private static final Long COMMENT_ID = 1L;
     private static final Long ARTICLE_ID = 1L;
 
@@ -61,8 +64,7 @@ public void setUp(WebApplicationContext context, RestDocumentationContextProvide
     @Test
     void createComment() throws Exception {
         CommentCreateRequest commentCreateRequest = new CommentCreateRequest("내용", 1L, 2L);
-        Comment comment = new Comment();
-        comment.setContent(commentCreateRequest.getContent());
+        Comment comment = new Comment(1L, "내용", null, null, null, null, null, null, null);
 
         given(commentService.createComment(any(), any())).willReturn(comment);
 
@@ -94,6 +96,42 @@ void createComment() throws Exception {
                 ));
     }
 
+    @Test
+    void getComments() throws Exception {
+        List<CommentResponse> comments = Arrays.asList(new CommentResponse(1L, "댓글1", "닉네임1",
+                false, LocalDateTime.now(), true, 10L, false, true));
+
+        given(commentService.getComment(any(), any())).willReturn(comments);
+
+        this.mockMvc.perform(get("/api/articles/{articleId}/comments", ARTICLE_ID).
+                header("Authorization", tokenResponse.getTokenType() + " " + tokenResponse.getAccessToken()).
+                accept(MediaType.APPLICATION_JSON)).
+                andExpect(status().isOk()).
+                andDo(print()).
+                andDo(document("comments/get",
+                        getDocumentRequest(),
+                        getDocumentResponse(),
+                        requestHeaders(
+                                headerWithName("Authorization").description("Bearer auth credentials")
+                        ),
+                        pathParameters(
+                                parameterWithName("articleId").description("조회할 댓글의 목록을 포함하는 게시물의 ID")
+                        ),
+                        responseFields(
+                                fieldWithPath("[]").type(JsonFieldType.ARRAY).description("댓글 목록"),
+                                fieldWithPath("[].id").type(JsonFieldType.NUMBER).description("댓글의 ID"),
+                                fieldWithPath("[].content").type(JsonFieldType.STRING).description("댓글의 내용"),
+                                fieldWithPath("[].nickname").type(JsonFieldType.STRING).description("댓글의 닉네임"),
+                                fieldWithPath("[].isDeleted").type(JsonFieldType.BOOLEAN).description("댓글의 삭제 여부"),
+                                fieldWithPath("[].createdDate").type(JsonFieldType.STRING).description("댓글의 작성 시간"),
+                                fieldWithPath("[].isMine").type(JsonFieldType.BOOLEAN).description("댓글이 내가 쓴 댓글인지 여부"),
+                                fieldWithPath("[].likesCount").type(JsonFieldType.NUMBER).description("댓글이 받은 공감의 수"),
+                                fieldWithPath("[].isLikedByMe").type(JsonFieldType.BOOLEAN).description("댓글을 내가 공감한 상태인지 여부"),
+                                fieldWithPath("[].hasNoParent").type(JsonFieldType.BOOLEAN).description("댓글이 상위 댓글인지 여부")
+                        )
+                ));
+    }
+
     @Test
     void deleteComment() throws Exception {
         this.mockMvc.perform(delete("/api/articles/{articleId}/comments/{commentId}", ARTICLE_ID, COMMENT_ID).
diff --git a/src/test/java/com/saebyeok/saebyeok/documentation/EmotionDocumentation.java b/src/test/java/com/saebyeok/saebyeok/documentation/EmotionDocumentation.java
index a28f1dd4..3d2fd2f9 100644
--- a/src/test/java/com/saebyeok/saebyeok/documentation/EmotionDocumentation.java
+++ b/src/test/java/com/saebyeok/saebyeok/documentation/EmotionDocumentation.java
@@ -38,7 +38,7 @@
 
 @SpringBootTest
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
-public class EmotionDocumentation extends Documentation {
+class EmotionDocumentation extends Documentation {
     private static final Long EMOTION_ID = 1L;
 
     protected TokenResponse tokenResponse;
diff --git a/src/test/java/com/saebyeok/saebyeok/documentation/LikeDocumentation.java b/src/test/java/com/saebyeok/saebyeok/documentation/LikeDocumentation.java
index 84ceb3d2..fbf3799f 100644
--- a/src/test/java/com/saebyeok/saebyeok/documentation/LikeDocumentation.java
+++ b/src/test/java/com/saebyeok/saebyeok/documentation/LikeDocumentation.java
@@ -34,7 +34,7 @@
 
 @SpringBootTest
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
-public class LikeDocumentation extends Documentation {
+class LikeDocumentation extends Documentation {
     protected TokenResponse tokenResponse;
     private MockMvc mockMvc;
 
diff --git a/src/test/java/com/saebyeok/saebyeok/documentation/ReportDocumentation.java b/src/test/java/com/saebyeok/saebyeok/documentation/ReportDocumentation.java
index 91f4d5a4..97151e2a 100644
--- a/src/test/java/com/saebyeok/saebyeok/documentation/ReportDocumentation.java
+++ b/src/test/java/com/saebyeok/saebyeok/documentation/ReportDocumentation.java
@@ -39,7 +39,7 @@
 
 @SpringBootTest
 @WithUserDetails(userDetailsServiceBeanName = "userService", value = "123456789")
-public class ReportDocumentation extends Documentation {
+class ReportDocumentation extends Documentation {
     protected TokenResponse tokenResponse;
     private MockMvc mockMvc;
 
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/ArticleEmotionRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/ArticleEmotionRepositoryTest.java
new file mode 100644
index 00000000..58227657
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/domain/ArticleEmotionRepositoryTest.java
@@ -0,0 +1,106 @@
+package com.saebyeok.saebyeok.domain;
+
+import com.saebyeok.saebyeok.exception.ArticleEmotionNotFoundException;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.jdbc.Sql;
+
+import javax.transaction.Transactional;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@Transactional
+@ActiveProfiles("test")
+@Sql("/truncate.sql")
+@SpringBootTest
+class ArticleEmotionRepositoryTest {
+
+    @Autowired
+    private ArticleEmotionRepository articleEmotionRepository;
+
+    @Autowired
+    private ArticleRepository articleRepository;
+
+    @Autowired
+    private EmotionRepository emotionRepository;
+
+    private Article article1;
+    private Article article2;
+    private Article article3;
+    private Emotion emotion1;
+    private Emotion emotion2;
+    private ArticleEmotion articleEmotion1;
+    private ArticleEmotion articleEmotion2;
+    private ArticleEmotion articleEmotion3;
+
+    @BeforeEach
+    void setUp() {
+        this.article1 = new Article(1L, "내용1", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        this.article2 = new Article(2L, "내용2", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        this.article3 = new Article(3L, "내용3", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        articleRepository.save(article1);
+        articleRepository.save(article2);
+        articleRepository.save(article3);
+
+        this.emotion1 = new Emotion(1L, "기뻐요", "imageResourceUri1");
+        this.emotion2 = new Emotion(2L, "슬퍼요", "imageResourceUri2");
+        emotionRepository.save(emotion1);
+        emotionRepository.save(emotion2);
+
+        this.articleEmotion1 = new ArticleEmotion(article1, emotion1);
+        this.articleEmotion2 = new ArticleEmotion(article2, emotion1);
+        this.articleEmotion3 = new ArticleEmotion(article3, emotion2);
+        articleEmotionRepository.save(articleEmotion1);
+        articleEmotionRepository.save(articleEmotion2);
+        articleEmotionRepository.save(articleEmotion3);
+    }
+
+    @DisplayName("생성된 게시글로 만들어진 ArticleEmotion을 게시글 Id로 찾는다")
+    @Test
+    void findByArticleIdTest() {
+        ArticleEmotion savedArticleEmotion = articleEmotionRepository.findByArticleId(article1.getId())
+                .orElseThrow(() -> new ArticleEmotionNotFoundException(article1.getId()));
+
+        assertThat(savedArticleEmotion).isEqualTo(articleEmotion1);
+    }
+
+    @DisplayName("특정 감정 대분류와 게시글에서 만들어진 ArticleEmotion을 요청받은 페이지 수만큼 찾는다")
+    @Test
+    void findAllByArticleInAndEmotionInTest() {
+        List<Article> articles = Arrays.asList(article1, article2, article3);
+        List<Emotion> emotions = Arrays.asList(emotion1, emotion2);
+        Pageable pageable = PageRequest.of(0, 5, Sort.by(Sort.Direction.DESC, "id"));
+        List<ArticleEmotion> articleEmotions = Arrays.asList(articleEmotion1, articleEmotion2, articleEmotion3);
+
+        List<ArticleEmotion> actualArticleEmotions =
+                articleEmotionRepository.findAllByArticleInAndEmotionIn(articles, emotions, pageable);
+
+        assertThat(actualArticleEmotions)
+                .hasSize(articleEmotions.size())
+                .contains(articleEmotion1, articleEmotion2, articleEmotion3);
+    }
+
+    @DisplayName("특정 게시글에서 만들어진 ArticleEmotion을 찾는다")
+    @Test
+    void findAllByArticleInTest() {
+        List<Article> articles = Arrays.asList(article1, article2, article3);
+        List<ArticleEmotion> articleEmotions = Arrays.asList(articleEmotion1, articleEmotion2, articleEmotion3);
+
+        List<ArticleEmotion> actualArticleEmotions = articleEmotionRepository.findAllByArticleIn(articles);
+
+        assertThat(actualArticleEmotions)
+                .hasSize(articleEmotions.size())
+                .contains(articleEmotion1, articleEmotion2, articleEmotion3);
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeRepositoryTest.java
index 3bffc85a..f7859223 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeRepositoryTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeRepositoryTest.java
@@ -38,7 +38,7 @@ class ArticleLikeRepositoryTest {
     @BeforeEach
     void setUp() {
         this.member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, Collections.emptyList());
-        this.article = new Article(1L, "내용", member, LocalDateTime.now(), false, false, Collections.emptyList(), Collections.emptyList());
+        this.article = new Article(1L, "내용", member, LocalDateTime.now(), false, false, Collections.emptyList());
 
         memberRepository.save(member);
         articleRepository.save(article);
@@ -51,8 +51,9 @@ void saveArticleLikeTest() {
 
         ArticleLike savedLike = articleLikeRepository.save(like);
 
-        assertThat(savedLike).isNotNull();
-        assertThat(savedLike).isEqualTo(like);
+        assertThat(savedLike)
+                .isNotNull()
+                .isEqualTo(like);
         assertThat(savedLike.getId()).isNotNull();
     }
 
@@ -102,4 +103,4 @@ void deleteArticleLikeTest() {
 
         assertThat(afterDelete.size()).isEqualTo(beforeDelete.size() - 1);
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeTest.java b/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeTest.java
index 0d4c41c1..f63a3d49 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/ArticleLikeTest.java
@@ -17,4 +17,4 @@ void createWithNullArgsTest() {
         assertThatThrownBy(() -> new ArticleLike(member, null)).isInstanceOf(NullPointerException.class);
         assertThatThrownBy(() -> new ArticleLike(null, null)).isInstanceOf(NullPointerException.class);
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/ArticleRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/ArticleRepositoryTest.java
index a95de2b9..6c1f4003 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/ArticleRepositoryTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/ArticleRepositoryTest.java
@@ -24,13 +24,13 @@
 @Transactional
 @SpringBootTest
 class ArticleRepositoryTest {
-    @MockBean
-    private AuditingHandler auditingHandler;
-
     public static final int VISIBLE_DAYS_ON_FEED = 7;
     public static final int VISIBLE_DAYS_ON_ANALYSIS = 30;
     private static final PageRequest PAGE_REQUEST = PageRequest.of(0, 10);
 
+    @MockBean
+    private AuditingHandler auditingHandler;
+
     @Autowired
     private ArticleRepository articleRepository;
 
@@ -49,11 +49,12 @@ void setUp() {
         member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
         memberRepository.save(member);
 
-        article1 = new Article(null, "내용1", member, LocalDateTime.now().minusDays(VISIBLE_DAYS_ON_ANALYSIS + 1), false, false, new ArrayList<>(), new ArrayList<>());
-        article2 = new Article(null, "내용2", member, LocalDateTime.now().minusDays(VISIBLE_DAYS_ON_FEED + 1), true, false, new ArrayList<>(), new ArrayList<>());
-        article3 = new Article(null, "내용3", member, LocalDateTime.now(), true, false, new ArrayList<>(), new ArrayList<>());
-        article4 = new Article(null, "내용4", null, LocalDateTime.now(), true, false, new ArrayList<>(), new ArrayList<>());
+        article1 = new Article(null, "내용1", member, LocalDateTime.now().minusDays(VISIBLE_DAYS_ON_ANALYSIS + 1), false, false, new ArrayList<>());
+        article2 = new Article(null, "내용2", member, LocalDateTime.now().minusDays(VISIBLE_DAYS_ON_FEED + 1), true, false, new ArrayList<>());
+        article3 = new Article(null, "내용3", member, LocalDateTime.now(), true, false, new ArrayList<>());
+        article4 = new Article(null, "내용4", null, LocalDateTime.now(), true, false, new ArrayList<>());
 
+        memberRepository.save(member);
         articleRepository.save(article1);
         articleRepository.save(article2);
         articleRepository.save(article3);
@@ -77,7 +78,7 @@ void findAllByCreatedDateTest() {
     @DisplayName("게시글을 저장한다")
     @Test
     void saveTest() {
-        Article newArticle = new Article("내용5", true);
+        Article newArticle = new Article("내용4", null, true);
         int articleSize = articleRepository.findAll().size();
 
         articleRepository.save(newArticle);
@@ -148,4 +149,4 @@ void excludeOldArticleForAnalysisTest() {
         List<Article> analysisArticle = articleRepository.findAllByMemberAndCreatedDateGreaterThanEqualAndIsDeleted(member, LocalDateTime.now().minusDays(VISIBLE_DAYS_ON_ANALYSIS), false);
         assertThat(analysisArticle).containsExactly(article2, article3);
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/ArticleSubEmotionRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/ArticleSubEmotionRepositoryTest.java
new file mode 100644
index 00000000..25fae653
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/domain/ArticleSubEmotionRepositoryTest.java
@@ -0,0 +1,72 @@
+package com.saebyeok.saebyeok.domain;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.jdbc.Sql;
+
+import javax.transaction.Transactional;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@Transactional
+@ActiveProfiles("test")
+@Sql("/truncate.sql")
+@SpringBootTest
+class ArticleSubEmotionRepositoryTest {
+
+    @Autowired
+    private ArticleSubEmotionRepository articleSubEmotionRepository;
+
+    @Autowired
+    private ArticleRepository articleRepository;
+
+    @Autowired
+    private SubEmotionRepository subEmotionRepository;
+
+    private Article article;
+    private ArticleSubEmotion articleSubEmotion1;
+    private ArticleSubEmotion articleSubEmotion2;
+    private ArticleSubEmotion articleSubEmotion3;
+
+    @BeforeEach
+    void setUp() {
+        this.article = new Article(1L, "내용", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        articleRepository.save(article);
+
+        SubEmotion subEmotion1 = new SubEmotion(1L, "행복해요");
+        SubEmotion subEmotion2 = new SubEmotion(2L, "신나요");
+        SubEmotion subEmotion3 = new SubEmotion(3L, "멋져요");
+        subEmotionRepository.save(subEmotion1);
+        subEmotionRepository.save(subEmotion2);
+        subEmotionRepository.save(subEmotion3);
+
+        this.articleSubEmotion1 = new ArticleSubEmotion(article, subEmotion1);
+        this.articleSubEmotion2 = new ArticleSubEmotion(article, subEmotion2);
+        this.articleSubEmotion3 = new ArticleSubEmotion(article, subEmotion3);
+        articleSubEmotionRepository.save(articleSubEmotion1);
+        articleSubEmotionRepository.save(articleSubEmotion2);
+        articleSubEmotionRepository.save(articleSubEmotion3);
+    }
+
+    @DisplayName("생성된 게시글로 만들어진 ArticleSubEmotion을 게시글 Id로 찾는다")
+    @Test
+    void findAllByArticleIdTest() {
+        List<ArticleSubEmotion> articleSubEmotions = Arrays.asList(articleSubEmotion1, articleSubEmotion2,
+                                                                   articleSubEmotion3);
+
+        List<ArticleSubEmotion> actualArticleSubEmotions =
+                articleSubEmotionRepository.findAllByArticleId(article.getId());
+
+        assertThat(actualArticleSubEmotions)
+                .hasSize(articleSubEmotions.size())
+                .contains(articleSubEmotion1, articleSubEmotion2, articleSubEmotion3);
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/ArticleTest.java b/src/test/java/com/saebyeok/saebyeok/domain/ArticleTest.java
index 8836ba1b..4cca1291 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/ArticleTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/ArticleTest.java
@@ -6,77 +6,35 @@
 
 import java.time.LocalDateTime;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
-import java.util.Optional;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class ArticleTest {
+class ArticleTest {
     private Member member;
-    private Article article1;
-    private Article article2;
+    private Article article;
 
     @BeforeEach
     void setUp() {
-        this.member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, Collections.emptyList());
-        this.article1 = new Article(1L, "내용", member, LocalDateTime.now(), false, false, Collections.emptyList(), new ArrayList<>());
-        this.article2 = new Article(2L, "내용", member, LocalDateTime.now(), false, false, Collections.emptyList(), new ArrayList<>());
+        this.member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
+        this.article = new Article(1L, "내용", member, LocalDateTime.now(), true, false, new ArrayList<>());
     }
 
     @DisplayName("특정 사용자가 해당 게시물을 공감했는지 여부를 확인할 수 있다")
     @Test
     void isLikedByTest() {
-        ArticleLike like = new ArticleLike(member, article1);
-        article1.getLikes().add(like);
+        ArticleLike like = new ArticleLike(member, article);
+        article.getLikes().add(like);
 
         Member anotherMember = new Member(2L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, Collections.emptyList());
 
-        assertThat(article1.isLikedBy(member)).isTrue();
-        assertThat(article1.isLikedBy(anotherMember)).isFalse();
+        assertThat(article.isLikedBy(member)).isTrue();
+        assertThat(article.isLikedBy(anotherMember)).isFalse();
     }
 
     @DisplayName("본인의 게시글일때 true를 반환해야 한다.")
     @Test
     void isWrittenByTest() {
-        Member member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
-        Article article = new Article(1L, "내용", member, LocalDateTime.now(), true, false, null, new ArrayList<>());
-        article.setMember(member);
-
         assertThat(article.isWrittenBy(member)).isTrue();
     }
-
-    @DisplayName("게시글에 이미 댓글을 남겼다면 그 댓글에 부여된 닉네임을 불러온다.")
-    @Test
-    void loadExistingNicknameTest() {
-        Member member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
-        Comment comment = new Comment("내용", "닉네임1", null);
-        comment.setMember(member);
-        Article article = new Article(1L, "내용", member, LocalDateTime.now(), true, false, Arrays.asList(comment), new ArrayList<>());
-
-        assertThat(article.loadExistingNickname(member)).isEqualTo(Optional.of("닉네임1"));
-    }
-
-    @DisplayName("게시글에 남긴 댓글이 없다면 빈 Optional을 반환한다.")
-    @Test
-    void loadExistingNicknameTest2() {
-        Member member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
-        Article article = new Article(1L, "내용", member, LocalDateTime.now(), true, false, Collections.emptyList(), new ArrayList<>());
-
-        assertThat(article.loadExistingNickname(member)).isEmpty();
-    }
-
-    @DisplayName("게시물에 등록된 모든 닉네임을 불러온다")
-    @Test
-    void getAllNicknamesTest() {
-        Member member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
-        Comment comment1 = new Comment("내용1", "닉네임1", null);
-        Comment comment2 = new Comment("내용2", "닉네임2", null);
-        Comment comment3 = new Comment("내용3", "닉네임3", null);
-        Article article = new Article(1L, "내용", member, LocalDateTime.now(), true, false, Arrays.asList(comment1, comment2, comment3), new ArrayList<>());
-
-        assertThat(article.getAllNicknames()).
-                hasSize(3).
-                containsOnly("닉네임1", "닉네임2", "닉네임3");
-    }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeRepositoryTest.java
index 86588d10..62d767da 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeRepositoryTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeRepositoryTest.java
@@ -42,7 +42,7 @@ class CommentLikeRepositoryTest {
     @BeforeEach
     void setUp() {
         this.member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, Collections.emptyList());
-        this.article = new Article(1L, "내용", member, LocalDateTime.now(), false, false, Collections.emptyList(), Collections.emptyList());
+        this.article = new Article(1L, "내용", member, LocalDateTime.now(), false, false, Collections.emptyList());
         this.comment = new Comment(1L, "내용", member, "익명1", LocalDateTime.now(), article, false, null, Collections.emptyList());
 
         memberRepository.save(member);
@@ -57,8 +57,8 @@ void saveCommentLikeTest() {
 
         CommentLike savedLike = commentLikeRepository.save(like);
 
-        assertThat(savedLike).isNotNull();
-        assertThat(savedLike).isEqualTo(like);
+        assertThat(savedLike).isNotNull()
+                .isEqualTo(like);
         assertThat(savedLike.getId()).isNotNull();
     }
 
@@ -108,4 +108,4 @@ void deleteCommentLikeTest() {
 
         assertThat(afterDelete.size()).isEqualTo(beforeDelete.size() - 1);
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeTest.java b/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeTest.java
index 5b284522..8b24f18f 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/CommentLikeTest.java
@@ -17,4 +17,4 @@ void createWithNullArgsTest() {
         assertThatThrownBy(() -> new CommentLike(member, null)).isInstanceOf(NullPointerException.class);
         assertThatThrownBy(() -> new CommentLike(null, null)).isInstanceOf(NullPointerException.class);
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/CommentRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/CommentRepositoryTest.java
index 3836a2f3..2a2af64c 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/CommentRepositoryTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/CommentRepositoryTest.java
@@ -47,15 +47,13 @@ void setUp() {
     }
 
     private Comment createTestComment() {
-        Comment comment = Comment.builder().
+        return Comment.builder().
                 content(TEST_CONTENT).
+                member(member).
                 nickname(TEST_NICKNAME).
+                article(article).
+                parent(null).
                 build();
-
-        comment.setMember(member);
-        comment.setArticle(article);
-
-        return comment;
     }
 
     @DisplayName("댓글을 DB에 저장하고, 저장된 댓글을 확인한다")
@@ -93,6 +91,41 @@ void findCommentsTest() {
                 containsOnly(comment1.getId(), comment2.getId(), comment3.getId());
     }
 
+    @DisplayName("댓글 여러개를 DB에 저장하고, 저장된 댓글들을 findAllByArticleId로 조회한다")
+    @Test
+    void findAllByArticleIdTest() {
+        Comment comment1 = createTestComment();
+        Comment comment2 = createTestComment();
+        Comment comment3 = createTestComment();
+
+        commentRepository.save(comment1);
+        commentRepository.save(comment2);
+        commentRepository.save(comment3);
+
+        List<Comment> comments = commentRepository.findAllByArticleId(article.getId());
+
+        assertThat(comments).
+                hasSize(3).
+                extracting("id").
+                containsOnly(comment1.getId(), comment2.getId(), comment3.getId());
+    }
+
+    @DisplayName("댓글 여러개를 DB에 저장하고, 저장된 댓글의 개수를 countCommentsByArticleId로 조회한다")
+    @Test
+    void countCommentsByArticleIdTest() {
+        Comment comment1 = createTestComment();
+        Comment comment2 = createTestComment();
+        Comment comment3 = createTestComment();
+
+        commentRepository.save(comment1);
+        commentRepository.save(comment2);
+        commentRepository.save(comment3);
+
+        Long commentsSize = commentRepository.countCommentsByArticleId(article.getId());
+
+        assertThat(commentsSize).isEqualTo(3L);
+    }
+
     @DisplayName("존재하지 않는 댓글을 조회할 경우, 빈 값을 반환한다")
     @Test
     void findCommentExceptionTest() {
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/CommentTest.java b/src/test/java/com/saebyeok/saebyeok/domain/CommentTest.java
index 1bc8dedd..a7ce01d5 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/CommentTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/CommentTest.java
@@ -13,13 +13,9 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class CommentTest {
+class CommentTest {
     public static final String TEST_CONTENT = "새벽 좋아요";
     public static final String TEST_NICKNAME = "시라소니";
-    public static final String UNDER_LENGTH_CONTENT = "";
-    public static final String OVER_LENGTH_CONTENT = "나만 잘되게 해주세요(강보라 지음·인물과사상사)=자존감이 높은 사람과 ‘관종’의 차이는 무엇일까? " +
-            "‘취향 존중’이 유행하고, ‘오이를 싫어하는 사람들의 모임’이 생기는 이유는 뭘까? 이 시대 새로운 지위를 차지하고 있는 ‘개인’에 관한 탐구 보고서. " +
-            "1만4000원.\n";
 
     private Member member;
     private Comment comment1;
@@ -86,4 +82,14 @@ void compareToTest() {
         assertThat(sortedComments).extracting("id")
                 .containsExactly(1L, 6L, 2L, 4L, 5L, 3L);
     }
+
+    @DisplayName("equals가 잘 작동하는지 테스트")
+    @Test
+    void equalsTest() {
+        Comment commentA = new Comment(1L, null, null, null, LocalDateTime.of(2020, 1, 1, 1, 0), null, null, null, null);
+        Comment commentB = new Comment(1L, null, null, null, LocalDateTime.of(2020, 1, 1, 1, 0), null, null, null, null);
+
+        assertThat(commentA == commentB).isFalse();
+        assertThat(commentA.equals(commentB)).isTrue();
+    }
 }
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/EmotionRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/EmotionRepositoryTest.java
index 6286171d..df913df1 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/EmotionRepositoryTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/EmotionRepositoryTest.java
@@ -55,4 +55,4 @@ void findByIdTest() {
         assertThat(emotion.getName()).isEqualTo(emotion1.getName());
         assertThat(emotion.getImageResource()).isEqualTo(emotion1.getImageResource());
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/MemberTest.java b/src/test/java/com/saebyeok/saebyeok/domain/MemberTest.java
index 24422114..ebe82009 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/MemberTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/MemberTest.java
@@ -1,6 +1,5 @@
 package com.saebyeok.saebyeok.domain;
 
-import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -10,7 +9,7 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class MemberTest {
+class MemberTest {
 
     private Member member;
 
@@ -22,7 +21,7 @@ void setup(){
     @Test
     @DisplayName("사용자의 게시글을 추가하면 리스트에 추가되어야 한다")
     void addArticleTest() {
-        Article article = new Article(1L, "내용", member, LocalDateTime.now(), true, false, null, new ArrayList<>());
+        Article article = new Article(1L, "내용", member, LocalDateTime.now(), true, false, new ArrayList<>());
         member.addArticle(article);
 
         assertThat(member.getArticles().size()).isEqualTo(1);
@@ -33,7 +32,7 @@ void addArticleTest() {
     void deactivateTest() {
         member.deactivate();
 
-        assertThat(member.getIsDeleted()).isEqualTo(true);
+        assertThat(member.getIsDeleted()).isTrue();
         assertThat(member.getOauthId()).isEqualTo("DEACTIVATED");
         assertThat(member.getLoginMethod()).isEqualTo("DEACTIVATED");
     }
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/NicknameGeneratorTest.java b/src/test/java/com/saebyeok/saebyeok/domain/NicknameGeneratorTest.java
new file mode 100644
index 00000000..1f31ff1f
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/domain/NicknameGeneratorTest.java
@@ -0,0 +1,59 @@
+package com.saebyeok.saebyeok.domain;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+import static com.saebyeok.saebyeok.domain.NicknameGenerator.WRITER_NICKNAME;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertAll;
+
+class NicknameGeneratorTest {
+
+    private NicknameGenerator nicknameGenerator;
+    private Member me;
+    private Member other1;
+    private Member other2;
+    private Article myArticle;
+    private Article othersArticle;
+
+    @BeforeEach
+    void setUp() {
+        nicknameGenerator = new NicknameGenerator();
+        me = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
+        other1 = new Member(2L, "987654321", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
+        other2 = new Member(3L, "132435465", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
+        myArticle = new Article(1L, "내용", me, LocalDateTime.now(), true, false, new ArrayList<>());
+        othersArticle = new Article(2L, "내용", other1, LocalDateTime.now(), true, false, new ArrayList<>());
+    }
+
+    @DisplayName("본인의 글에 댓글 단 경우, 작성자임을 나타내는 지정된 닉네임이 부여돼야 한다.")
+    @Test
+    void writerNicknameTest() {
+        String nickname = nicknameGenerator.generate(me, myArticle, new ArrayList<>());
+
+        assertThat(nickname).isEqualTo(WRITER_NICKNAME);
+    }
+
+    @DisplayName("타인의 글에 댓글을 여러 개 단 경우, 내 닉네임들은 모두 같아야 한다.")
+    @Test
+    void severalCommentsByOneMemberTest() {
+        List<Comment> comments = new ArrayList<>();
+        String myNickname1 = nicknameGenerator.generate(me, othersArticle, comments);
+        comments.add(new Comment("댓글내용", me, myNickname1, othersArticle, null));
+        String othersNickname = nicknameGenerator.generate(
+                other2, new Article(2L, "게시물내용", other1, LocalDateTime.now(), true, false, new ArrayList<>()), comments);
+        comments.add(new Comment("댓글내용", other2, othersNickname, othersArticle, null));
+        String myNickname2 = nicknameGenerator.generate(me, new Article(2L, "게시물내용", other1,
+                LocalDateTime.now(), true, false, new ArrayList<>()), comments);
+
+        assertAll (
+                () -> assertThat(myNickname1).isNotEqualTo(othersNickname),
+                () -> assertThat(myNickname1).isEqualTo(myNickname2)
+        );
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/domain/ReportCategoryRepositoryTest.java b/src/test/java/com/saebyeok/saebyeok/domain/ReportCategoryRepositoryTest.java
index e00fa08d..8df6f50e 100644
--- a/src/test/java/com/saebyeok/saebyeok/domain/ReportCategoryRepositoryTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/domain/ReportCategoryRepositoryTest.java
@@ -19,7 +19,7 @@
 @Sql("/truncate.sql")
 @Transactional
 @SpringBootTest
-public class ReportCategoryRepositoryTest {
+class ReportCategoryRepositoryTest {
 
     @Autowired
     private ReportCategoryRepository reportCategoryRepository;
diff --git a/src/test/java/com/saebyeok/saebyeok/infra/JwtTokenProviderTest.java b/src/test/java/com/saebyeok/saebyeok/infra/JwtTokenProviderTest.java
index d7822d7e..d26ce0d8 100644
--- a/src/test/java/com/saebyeok/saebyeok/infra/JwtTokenProviderTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/infra/JwtTokenProviderTest.java
@@ -1,25 +1,63 @@
 package com.saebyeok.saebyeok.infra;
 
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.SignatureAlgorithm;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import java.util.Base64;
+import java.util.Date;
+
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertAll;
 
 @SpringBootTest
 class JwtTokenProviderTest {
 
+    public static final String INVALID_TOKEN = "invalid.token.123";
+    public static final Date ONE_SECOND_AGO = new Date(new Date().getTime() - 1_000);
+    public static final Date THOUSAND_SECOND_AGO = new Date(new Date().getTime() - 1_000_000);
+
     @Autowired
     private JwtTokenProvider jwtTokenProvider;
 
+    @Value("${security.jwt.token.secret-key}")
+    String secretKey;
+
     @DisplayName("토큰화 할 정보 전달해서 토큰을 만들 수 있다.")
     @Test
     void createToken() {
         String subject = "social identification";
-
         String token = jwtTokenProvider.createToken(subject);
 
         assertThat(token).isNotBlank();
     }
-}
\ No newline at end of file
+
+    @DisplayName("토큰이 유효한지 검사할 수 있다.")
+    @Test
+    void validateToken() {
+        String subject = "social identification";
+        String token = jwtTokenProvider.createToken(subject);
+
+        assertThat(jwtTokenProvider.isValidToken(token)).isTrue();
+    }
+
+    @DisplayName("토큰이 유효하지 않으면 false를 반환한다.")
+    @Test
+    void invalidTokenTest() {
+        String expiredKey = Jwts.builder()
+                .setClaims(Jwts.claims().setSubject("social identification"))
+                .setIssuedAt(THOUSAND_SECOND_AGO)
+                .setExpiration(ONE_SECOND_AGO)
+                .signWith(SignatureAlgorithm.HS256, Base64.getEncoder().encodeToString(secretKey.getBytes()))
+                .compact();
+
+        assertAll(
+                () -> assertThat(jwtTokenProvider.isValidToken(INVALID_TOKEN)).isFalse(),
+                () -> assertThat(jwtTokenProvider.isValidToken(expiredKey)).isFalse()
+        );
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/security/dto/OAuthAttributesTest.java b/src/test/java/com/saebyeok/saebyeok/security/dto/OAuthAttributesTest.java
new file mode 100644
index 00000000..9f1919a5
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/security/dto/OAuthAttributesTest.java
@@ -0,0 +1,35 @@
+package com.saebyeok.saebyeok.security.dto;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+class OAuthAttributesTest {
+    @Test
+    @DisplayName("알맞은 자료 해독 전략을 불러오는 테스트")
+    void OfTest() {
+        Map<String, Object> attributes = new HashMap<>();
+        Map<String, Object> naverAttributes = new HashMap<>();
+        attributes.put("name", "Andy H. Jung");
+        attributes.put("id", "123456789");
+        naverAttributes.put("response", attributes);
+
+        assertThat(OAuthAttributes.of("naver", "id", naverAttributes))
+                .isInstanceOf(OAuthAttributes.class);
+        assertThat(OAuthAttributes.of("google", "id", attributes))
+                .isInstanceOf(OAuthAttributes.class);
+    }
+
+    @Test
+    @DisplayName("예외 테스트: 잘못된 registrationId가 올 경우 예외를 발생시킨다")
+    void wrongRegistrationIdTest() {
+        assertThatThrownBy(() -> OAuthAttributes.of("daum", "id", null))
+                .isInstanceOf(IllegalArgumentException.class)
+                .hasMessageContaining("올바르지 않은 소셜 로그인 방법");
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/service/AnalysisServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/AnalysisServiceTest.java
index 1c54a271..6eb850cc 100644
--- a/src/test/java/com/saebyeok/saebyeok/service/AnalysisServiceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/service/AnalysisServiceTest.java
@@ -1,27 +1,27 @@
 package com.saebyeok.saebyeok.service;
 
 import com.saebyeok.saebyeok.domain.*;
+import com.saebyeok.saebyeok.dto.ArticlesAnalysisResponse;
+import com.saebyeok.saebyeok.dto.CommentsAnalysisResponse;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
-import org.springframework.test.context.jdbc.Sql;
 
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import static com.saebyeok.saebyeok.service.ArticleEmotionService.NOT_EXIST_MOST_EMOTION_ID;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.when;
 
-@Sql("/truncate.sql")
 @ExtendWith(MockitoExtension.class)
-public class AnalysisServiceTest {
+class AnalysisServiceTest {
     private Member member;
     private AnalysisService analysisService;
 
@@ -45,73 +45,44 @@ void setUp() {
                                  false, Role.USER, new ArrayList<>());
     }
 
-    @DisplayName("Member가 작성한 Article 개수를 Emotion 별로 받아온다")
+    @DisplayName("Member가 작성한 Article에 대한 Emotion별 통계를 받아온다")
     @Test
-    void findArticleEmotionsCountTest() {
-        List<Integer> expected = Arrays.asList(2, 1, 1, 0, 3, 0);
-        when(emotionService.getAllEmotionsIds()).thenReturn(Arrays.asList(1L, 2L, 3L, 4L, 5L, 6L));
-        when(articleEmotionService.findArticleEmotionsCount(any(), any())).thenReturn(expected);
-
-        List<Integer> result = analysisService.findArticleEmotionsCount(member);
-
-        assertThat(result.get(0)).isEqualTo(expected.get(0));
-        assertThat(result.get(1)).isEqualTo(expected.get(1));
-        assertThat(result.get(2)).isEqualTo(expected.get(2));
-        assertThat(result.get(3)).isEqualTo(expected.get(3));
-        assertThat(result.get(4)).isEqualTo(expected.get(4));
-        assertThat(result.get(5)).isEqualTo(expected.get(5));
+    void getArticlesAnalysisTest() {
+        List<Integer> articleEmotionsCount = Arrays.asList(2, 1, 1, 0, 3, 0);
+        Long mostEmotionId = 5L;
+        List<Article> memberArticles = Arrays.asList(new Article());
+        List<Long> allEmotionsIds = Arrays.asList(1L, 2L, 3L, 4L, 5L, 6L);
+
+        when(emotionService.getAllEmotionsIds()).thenReturn(allEmotionsIds);
+        when(articleService.getVisibleDaysArticles(any(Member.class), anyInt())).thenReturn(memberArticles);
+        when(articleEmotionService.findArticleEmotionsCount(memberArticles, allEmotionsIds)).thenReturn(articleEmotionsCount);
+        when(articleEmotionService.findMostEmotionIdInArticles(memberArticles)).thenReturn(mostEmotionId);
+
+        ArticlesAnalysisResponse result = analysisService.getArticlesAnalysis(member);
+
+        assertThat(result.getArticleEmotionsCount()).
+                hasSize(6).
+                containsExactly(articleEmotionsCount.get(0), articleEmotionsCount.get(1), articleEmotionsCount.get(2),
+                        articleEmotionsCount.get(3), articleEmotionsCount.get(4), articleEmotionsCount.get(5));
+        assertThat(result.getMostEmotionId()).isEqualTo(mostEmotionId);
     }
 
-    @DisplayName("Member가 작성한 Article 중 가장 많은 감정 대분류 ID를 받아온다")
-    @Test
-    void findMostEmotionIdTest() {
-        Long expected = 1L;
-        when(articleEmotionService.findMostEmotionIdInArticles(any())).thenReturn(expected);
-
-        Long result = analysisService.findMostEmotionId(member);
-
-        assertThat(result).isEqualTo(expected);
-    }
-
-    @DisplayName("Member가 작성한 Article이 없으면 NOT_EXIST_MOST_EMOTION_ID를 받아온다")
-    @Test
-    void findNotExistMostEmotionIdTest() {
-        Long expected = NOT_EXIST_MOST_EMOTION_ID;
-
-        Member tempMember = new Member();
-        when(articleEmotionService.findMostEmotionIdInArticles(any())).thenReturn(expected);
-        Long result = analysisService.findMostEmotionId(tempMember);
-
-        assertThat(result).isEqualTo(expected);
-    }
-
-    @DisplayName("Member가 작성한 Comment의 총 개수를 받아온다")
+    @DisplayName("Member가 작성한 Comment의 개수와 Likes 개수에 대한 값을 받아온다")
     @Test
     void countTotalCommentsByTest() {
-        Long expected = 1L;
-        when(commentService.countTotalCommentsBy(any(Member.class))).thenReturn(expected);
-
-        Long result = analysisService.countTotalCommentsBy(member);
-
-        assertThat(result).isEqualTo(expected);
-    }
-
-    @DisplayName("Member가 작성한 Comment들의 CommentLike 총 개수를 받아온다")
-    @Test
-    void countLikedCommentsByTest() {
-        Long expected = 4L;
-
+        Long totalCommentsCount = 1L;
+        Long totalCommentsLikesCount = 4L;
         List<CommentLike> likes = new ArrayList<>(Arrays.asList(new CommentLike(), new CommentLike()));
         List<Comment> comments = new ArrayList<>();
-        comments.add(new Comment(1L, "content1", new Member(), "nickname1", LocalDateTime.now(), new Article(), false,
-                null, likes));
-        comments.add(new Comment(2L, "content2", new Member(), "nickname2", LocalDateTime.now(), new Article(), false,
-                null, likes));
+        comments.add(new Comment(1L, "content1", new Member(), "nickname1", LocalDateTime.now(), new Article(), false, null, likes));
+        comments.add(new Comment(2L, "content2", new Member(), "nickname2", LocalDateTime.now(), new Article(), false, null, likes));
 
+        when(commentService.countTotalCommentsBy(any(Member.class))).thenReturn(totalCommentsCount);
         when(commentService.findAllCommentsBy(any(Member.class))).thenReturn(comments);
 
-        Long result = analysisService.countTotalCommentLikesBy(member);
+        CommentsAnalysisResponse result = analysisService.getCommentsAnalysis(member);
 
-        assertThat(result).isEqualTo(expected);
+        assertThat(result.getTotalCommentsCount()).isEqualTo(totalCommentsCount);
+        assertThat(result.getTotalCommentLikesCount()).isEqualTo(totalCommentsLikesCount);
     }
 }
diff --git a/src/test/java/com/saebyeok/saebyeok/service/ArticleEmotionServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/ArticleEmotionServiceTest.java
new file mode 100644
index 00000000..69a50823
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/service/ArticleEmotionServiceTest.java
@@ -0,0 +1,178 @@
+package com.saebyeok.saebyeok.service;
+
+import com.saebyeok.saebyeok.domain.*;
+import com.saebyeok.saebyeok.dto.EmotionResponse;
+import com.saebyeok.saebyeok.exception.ArticleEmotionNotFoundException;
+import com.saebyeok.saebyeok.exception.EmotionNotFoundException;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+
+import java.time.LocalDateTime;
+import java.util.*;
+
+import static com.saebyeok.saebyeok.service.ArticleEmotionService.NOT_EXIST_MOST_EMOTION_ID;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.jupiter.api.Assertions.assertAll;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class ArticleEmotionServiceTest {
+    private static final Long ARTICLE_1_ID = 1L;
+    private static final Long ARTICLE_2_ID = 2L;
+    private static final Long ARTICLE_3_ID = 3L;
+    private static final Long ARTICLE_4_ID = 4L;
+    private static final Long EMOTION_1_ID = 1L;
+    private static final Long EMOTION_2_ID = 2L;
+    private static final Long EMOTION_3_ID = 3L;
+
+    private ArticleEmotionService articleEmotionService;
+
+    @Mock
+    private EmotionRepository emotionRepository;
+
+    @Mock
+    private ArticleEmotionRepository articleEmotionRepository;
+
+    private Article article1;
+    private Article article2;
+    private Article article3;
+    private Article article4;
+    private Emotion emotion1;
+    private Emotion emotion2;
+    private Emotion emotion3;
+    private ArticleEmotion articleEmotion1;
+    private ArticleEmotion articleEmotion2;
+    private ArticleEmotion articleEmotion3;
+    private ArticleEmotion articleEmotion4;
+
+    @BeforeEach
+    void setUp() {
+        this.articleEmotionService = new ArticleEmotionService(emotionRepository, articleEmotionRepository);
+        this.article1 = new Article(ARTICLE_1_ID, "내용1", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        this.article2 = new Article(ARTICLE_2_ID, "내용2", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        this.article3 = new Article(ARTICLE_3_ID, "내용3", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        this.article4 = new Article(ARTICLE_4_ID, "내용4", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        this.emotion1 = new Emotion(EMOTION_1_ID, "기뻐요", "imageResourceUri1");
+        this.emotion2 = new Emotion(EMOTION_2_ID, "슬퍼요", "imageResourceUri2");
+        this.emotion3 = new Emotion(EMOTION_3_ID, "그냥 그래요", "imageResourceUri3");
+        this.articleEmotion1 = new ArticleEmotion(article1, emotion1);
+        this.articleEmotion2 = new ArticleEmotion(article2, emotion2);
+        this.articleEmotion3 = new ArticleEmotion(article3, emotion2);
+        this.articleEmotion4 = new ArticleEmotion(article4, emotion3);
+    }
+
+    @DisplayName("새로 생성한 게시글과 이에 속하는 감정 대분류의 Id를 통해 ArticleEmotion을 생성한다")
+    @Test
+    void createArticleEmotionTest() {
+        when(emotionRepository.findById(EMOTION_1_ID)).thenReturn(Optional.of(emotion1));
+
+        articleEmotionService.createArticleEmotion(article1, EMOTION_1_ID);
+
+        verify(articleEmotionRepository).save(any());
+    }
+
+    @DisplayName("예외 테스트: 새로 생성한 게시글에 속하는 감정 대분류의 Id가 존재하지 않으면 EmotionNotFoundException이 발생한다")
+    @Test
+    void createArticleEmotionExceptionTest() {
+        long invalidEmotionId = -1L;
+
+        when(emotionRepository.findById(invalidEmotionId)).thenReturn(Optional.empty());
+
+        assertThatThrownBy(() -> articleEmotionService.createArticleEmotion(article1, invalidEmotionId))
+                .isInstanceOf(EmotionNotFoundException.class)
+                .hasMessage(invalidEmotionId + "에 해당하는 감정 대분류를 찾을 수 없습니다.");
+    }
+
+    @DisplayName("생성된 게시글로 만들어진 ArticleEmotion을 통해 해당 게시글의 감정 대분류 정보를 가져온다")
+    @Test
+    void findEmotionTest() {
+        ArticleEmotion articleEmotion = new ArticleEmotion(article1, emotion1);
+
+        when(articleEmotionRepository.findByArticleId(ARTICLE_1_ID)).thenReturn(Optional.of(articleEmotion));
+
+        EmotionResponse emotionResponse = articleEmotionService.findEmotion(article1);
+
+        assertAll(
+                () -> assertThat(emotionResponse).isNotNull(),
+                () -> assertThat(emotionResponse.getName()).isEqualTo(emotion1.getName()),
+                () -> assertThat(emotionResponse.getImageResource()).isEqualTo(emotion1.getImageResource())
+        );
+    }
+
+    @DisplayName("예외 테스트: 생성된 게시글로 만들어진 ArticleEmotion이 존재하지 않으면 해당 게시글의 감정 대분류 정보를 가져올 때 " +
+            "ArticleEmotionNotFoundException이 발생한다")
+    @Test
+    void findEmotionExceptionTest() {
+        when(articleEmotionRepository.findByArticleId(ARTICLE_1_ID)).thenThrow(new ArticleEmotionNotFoundException(ARTICLE_1_ID));
+
+        assertThatThrownBy(() -> articleEmotionService.findEmotion(article1))
+                .isInstanceOf(ArticleEmotionNotFoundException.class)
+                .hasMessage(ARTICLE_1_ID + "에 해당하는 게시글의 감정 대분류를 찾을 수 없습니다.");
+    }
+
+    @DisplayName("특정 감정 대분류에 속하는 게시글 목록을 요청받은 페이지 수만큼 가져온다")
+    @Test
+    void findArticlesByEmotionIdsTest() {
+        List<Article> articles = Arrays.asList(article1, article2, article3, article4);
+        List<Long> emotionIds = Arrays.asList(EMOTION_1_ID, EMOTION_2_ID, EMOTION_3_ID);
+        List<Emotion> emotions = Arrays.asList(emotion1, emotion2, emotion3);
+        Pageable pageable = PageRequest.of(0, 5, Sort.by(Sort.Direction.DESC, "id"));
+        List<ArticleEmotion> articleEmotions = Arrays.asList(articleEmotion1, articleEmotion2, articleEmotion3, articleEmotion4);
+
+        when(emotionRepository.findAllById(emotionIds)).thenReturn(emotions);
+        when(articleEmotionRepository.findAllByArticleInAndEmotionIn(articles, emotions, pageable)).thenReturn(articleEmotions);
+
+        List<Article> articlesByEmotionIds = articleEmotionService.findArticlesByEmotionIds(articles, emotionIds, pageable);
+
+        assertThat(articlesByEmotionIds).hasSize(articles.size());
+    }
+
+    @DisplayName("각 감정 대분류마다 특정 멤버의 게시글이 몇 개가 존재하는지 ArticleEmotion을 통해 구한다")
+    @Test
+    void findArticleEmotionsCountTest() {
+        List<Article> memberArticles = Arrays.asList(article1, article2, article3, article4);
+        List<Long> allEmotionsIds = Arrays.asList(EMOTION_1_ID, EMOTION_2_ID, EMOTION_3_ID);
+        List<ArticleEmotion> articleEmotions = Arrays.asList(articleEmotion1, articleEmotion2, articleEmotion3, articleEmotion4);
+
+        when(articleEmotionRepository.findAllByArticleIn(memberArticles)).thenReturn(articleEmotions);
+
+        List<Integer> articleEmotionsCount = articleEmotionService.findArticleEmotionsCount(memberArticles,
+                allEmotionsIds);
+
+        assertThat(articleEmotionsCount).hasSize(allEmotionsIds.size())
+                .isEqualTo(Arrays.asList(1, 2, 1));
+    }
+
+    @DisplayName("특정 멤버의 게시글에서 가장 많은 감정 대분류의 id가 무엇인지 ArticleEmotion을 통해 구한다")
+    @Test
+    void findMostEmotionIdInArticlesTest() {
+        List<Article> memberArticles = Arrays.asList(article1, article2, article3, article4);
+        List<ArticleEmotion> memberArticleEmotions = Arrays.asList(articleEmotion1, articleEmotion2, articleEmotion3, articleEmotion4);
+
+        when(articleEmotionRepository.findAllByArticleIn(memberArticles)).thenReturn(memberArticleEmotions);
+
+        Long mostEmotionIdInArticles = articleEmotionService.findMostEmotionIdInArticles(memberArticles);
+
+        assertThat(mostEmotionIdInArticles).isEqualTo(EMOTION_2_ID);
+    }
+
+    @DisplayName("특정 멤버가 작성한 게시글이 없으면 NOT_EXIST_MOST_EMOTION_ID을 반환한다")
+    @Test
+    void findNotExistMostEmotionIdInArticlesTest() {
+        List<Article> memberArticles = Collections.emptyList();
+
+        Long mostEmotionIdInArticles = articleEmotionService.findMostEmotionIdInArticles(memberArticles);
+
+        assertThat(mostEmotionIdInArticles).isEqualTo(NOT_EXIST_MOST_EMOTION_ID);
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/service/ArticleServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/ArticleServiceTest.java
index ed7839b6..161d84a7 100644
--- a/src/test/java/com/saebyeok/saebyeok/service/ArticleServiceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/service/ArticleServiceTest.java
@@ -1,6 +1,9 @@
 package com.saebyeok.saebyeok.service;
 
-import com.saebyeok.saebyeok.domain.*;
+import com.saebyeok.saebyeok.domain.Article;
+import com.saebyeok.saebyeok.domain.ArticleRepository;
+import com.saebyeok.saebyeok.domain.Member;
+import com.saebyeok.saebyeok.domain.Role;
 import com.saebyeok.saebyeok.dto.ArticleResponse;
 import com.saebyeok.saebyeok.exception.ArticleNotFoundException;
 import org.junit.jupiter.api.BeforeEach;
@@ -12,10 +15,7 @@
 import org.springframework.test.context.jdbc.Sql;
 
 import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Optional;
+import java.util.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
@@ -56,15 +56,13 @@ class ArticleServiceTest {
     private Member member;
     private Article article1;
     private Article article2;
-    private Emotion emotion;
-    private List<SubEmotion> subEmotions;
 
     @BeforeEach
     void setUp() {
-        articleService = new ArticleService(articleRepository, articleEmotionService, articleSubEmotionService);
+        articleService = new ArticleService(articleRepository, commentService, articleEmotionService, articleSubEmotionService);
         member = new Member(MEMBER_ID, MEMBER_OAUTH_ID, MEMBER_LOGIN_METHOD, LocalDateTime.now(), IS_DELETED, Role.USER, new ArrayList<>());
-        article1 = new Article(ARTICLE_ID_1, CONTENT1, member, LocalDateTime.now(), IS_COMMENT_ALLOWED_1, false, null, new ArrayList<>());
-        article2 = new Article(ARTICLE_ID_2, CONTENT2, member, LocalDateTime.of(2020, 6, 12, 5, 30, 0), IS_COMMENT_ALLOWED_2, false, null, new ArrayList<>());
+        article1 = new Article(ARTICLE_ID_1, CONTENT1, member, LocalDateTime.now(), IS_COMMENT_ALLOWED_1, false, new ArrayList<>());
+        article2 = new Article(ARTICLE_ID_2, CONTENT2, member, LocalDateTime.of(2020, 6, 12, 5, 30, 0), IS_COMMENT_ALLOWED_2, false, new ArrayList<>());
     }
 
     @DisplayName("게시글을 조회하면 게시글 목록이 리턴된다")
@@ -163,4 +161,24 @@ void readMemberArticleTest() {
         assertThat(articleResponse.getLikesCount()).isNotNull();
         assertThat(articleResponse.getIsLikedByMe()).isNotNull();
     }
+
+    @DisplayName("게시글을 감정에 따라 필터하여 특정 감정의 게시글만 표시한다")
+    @Test
+    void filterArticleTest() {
+        when(articleEmotionService.findArticlesByEmotionIds(any(), any(), any())).thenReturn(Arrays.asList(article1, article2));
+
+        List<ArticleResponse> memberArticles = articleService.getMemberArticles(member, 1, 5, Arrays.asList(1L, 2L));
+        assertThat(memberArticles).hasSize(2);
+    }
+
+    @DisplayName("예외 테스트: 다른 사용자의 게시글을 삭제할 경우 에러를 발생시킨다")
+    @Test
+    void notMyArticleTest() {
+        Article article3 = new Article(ARTICLE_ID_1, CONTENT1, new Member(), LocalDateTime.now(), IS_COMMENT_ALLOWED_1, false, new ArrayList<>());
+
+        when(articleRepository.findById(any())).thenReturn(Optional.of(article3));
+
+        assertThatThrownBy(() -> articleService.deleteArticle(member, 1L))
+                .isInstanceOf(IllegalAccessException.class);
+    }
 }
diff --git a/src/test/java/com/saebyeok/saebyeok/service/ArticleSubEmotionServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/ArticleSubEmotionServiceTest.java
new file mode 100644
index 00000000..8efa2e3f
--- /dev/null
+++ b/src/test/java/com/saebyeok/saebyeok/service/ArticleSubEmotionServiceTest.java
@@ -0,0 +1,109 @@
+package com.saebyeok.saebyeok.service;
+
+import com.saebyeok.saebyeok.domain.*;
+import com.saebyeok.saebyeok.dto.SubEmotionResponse;
+import com.saebyeok.saebyeok.exception.SubEmotionNotFoundException;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.time.LocalDateTime;
+import java.util.*;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.jupiter.api.Assertions.assertAll;
+import static org.mockito.ArgumentMatchers.anyList;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+class ArticleSubEmotionServiceTest {
+    private static final Long ARTICLE_ID = 1L;
+    private static final Long SUB_EMOTION_1_ID = 1L;
+    private static final Long SUB_EMOTION_2_ID = 2L;
+    private static final Long SUB_EMOTION_3_ID = 3L;
+
+    private ArticleSubEmotionService articleSubEmotionService;
+
+    @Mock
+    private SubEmotionRepository subEmotionRepository;
+
+    @Mock
+    private ArticleSubEmotionRepository articleSubEmotionRepository;
+
+    private Article article;
+    private SubEmotion subEmotion1;
+    private SubEmotion subEmotion2;
+    private SubEmotion subEmotion3;
+
+    @BeforeEach
+    void setUp() {
+        this.articleSubEmotionService = new ArticleSubEmotionService(subEmotionRepository, articleSubEmotionRepository);
+
+        this.article = new Article(ARTICLE_ID, "내용", null, LocalDateTime.now(), true, false, new ArrayList<>());
+        this.subEmotion1 = new SubEmotion(SUB_EMOTION_1_ID, "행복해요");
+        this.subEmotion2 = new SubEmotion(SUB_EMOTION_2_ID, "신나요");
+        this.subEmotion3 = new SubEmotion(SUB_EMOTION_3_ID, "멋져요");
+    }
+
+    @DisplayName("새로 생성한 게시글과 이에 속하는 감정 소분류의 Id를 통해 ArticleSubEmotion을 생성한다")
+    @Test
+    void createArticleSubEmotionTest() {
+        List<Long> subEmotionIds = Arrays.asList(SUB_EMOTION_1_ID, SUB_EMOTION_2_ID, SUB_EMOTION_3_ID);
+
+        when(subEmotionRepository.findById(SUB_EMOTION_1_ID)).thenReturn(Optional.of(subEmotion1));
+        when(subEmotionRepository.findById(SUB_EMOTION_2_ID)).thenReturn(Optional.of(subEmotion2));
+        when(subEmotionRepository.findById(SUB_EMOTION_3_ID)).thenReturn(Optional.of(subEmotion3));
+
+        articleSubEmotionService.createArticleSubEmotion(article, subEmotionIds);
+
+        verify(articleSubEmotionRepository).saveAll(anyList());
+    }
+
+    @DisplayName("예외 테스트: 새로 생성한 게시글에 속하는 감정 소분류의 Id가 존재하지 않으면 SubEmotionNotFoundException이 발생한다")
+    @Test
+    void createArticleSubEmotionExceptionTest() {
+        long invalidSubEmotionId = -1L;
+        List<Long> subEmotionIds = Arrays.asList(invalidSubEmotionId, SUB_EMOTION_1_ID);
+
+        when(subEmotionRepository.findById(invalidSubEmotionId)).thenReturn(Optional.empty());
+
+        assertThatThrownBy(() -> articleSubEmotionService.createArticleSubEmotion(article, subEmotionIds))
+                .isInstanceOf(SubEmotionNotFoundException.class)
+                .hasMessage(invalidSubEmotionId + "에 해당하는 감정 소분류를 찾을 수 없습니다.");
+    }
+
+    @DisplayName("새로 생성한 게시글에 속하는 감정 소분류가 없으면 ArticleSubEmotion을 생성하지 않는다")
+    @Test
+    void tt() {
+        articleSubEmotionService.createArticleSubEmotion(article, Collections.emptyList());
+
+        verify(articleSubEmotionRepository, never()).saveAll(anyList());
+    }
+
+    @DisplayName("생성된 게시글로 만들어진 ArticleSubEmotion을 통해 해당 게시글의 감정 소분류 정보를 가져온다")
+    @Test
+    void findSubEmotionsTest() {
+        ArticleSubEmotion articleSubEmotion1 = new ArticleSubEmotion(article, subEmotion1);
+        ArticleSubEmotion articleSubEmotion2 = new ArticleSubEmotion(article, subEmotion2);
+        ArticleSubEmotion articleSubEmotion3 = new ArticleSubEmotion(article, subEmotion3);
+        List<ArticleSubEmotion> articleSubEmotions = Arrays.asList(articleSubEmotion1, articleSubEmotion2,
+                                                                   articleSubEmotion3);
+
+        when(articleSubEmotionRepository.findAllByArticleId(ARTICLE_ID)).thenReturn(articleSubEmotions);
+
+        List<SubEmotionResponse> subEmotionResponses = articleSubEmotionService.findSubEmotions(article);
+
+        assertAll(
+                () -> assertThat(subEmotionResponses)
+                        .isNotNull()
+                        .hasSize(articleSubEmotions.size()),
+                () -> assertThat(subEmotionResponses.get(0).getName()).isEqualTo(subEmotion1.getName()),
+                () -> assertThat(subEmotionResponses.get(1).getName()).isEqualTo(subEmotion2.getName()),
+                () -> assertThat(subEmotionResponses.get(2).getName()).isEqualTo(subEmotion3.getName())
+        );
+    }
+}
diff --git a/src/test/java/com/saebyeok/saebyeok/service/CommentServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/CommentServiceTest.java
index 6b0516fb..b416f199 100644
--- a/src/test/java/com/saebyeok/saebyeok/service/CommentServiceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/service/CommentServiceTest.java
@@ -2,9 +2,9 @@
 
 import com.saebyeok.saebyeok.domain.*;
 import com.saebyeok.saebyeok.dto.CommentCreateRequest;
+import com.saebyeok.saebyeok.dto.CommentResponse;
 import com.saebyeok.saebyeok.exception.ArticleNotFoundException;
 import com.saebyeok.saebyeok.exception.CommentNotFoundException;
-import com.saebyeok.saebyeok.util.NicknameGenerator;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -12,11 +12,15 @@
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 
+import java.util.Arrays;
+import java.util.List;
 import java.util.Optional;
 
 import static java.util.Optional.ofNullable;
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
-import static org.mockito.ArgumentMatchers.any;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.mockito.ArgumentMatchers.*;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -31,19 +35,23 @@ class CommentServiceTest {
 
     @Mock
     private CommentRepository commentRepository;
+
     @Mock
     private ArticleRepository articleRepository;
+
     @Mock
     private NicknameGenerator nicknameGenerator;
 
     private Member member;
     private Article article;
+    private Comment comment;
 
     @BeforeEach
     void setUp() {
         this.commentService = new CommentService(commentRepository, articleRepository, nicknameGenerator);
         this.member = new Member();
         this.article = new Article();
+        this.comment = new Comment("테스트", null, "슬픈돌고래", null, null);
     }
 
     @DisplayName("댓글 등록 메서드를 호출했을 때, 댓글 등록을 수행한다")
@@ -83,14 +91,71 @@ void invalidRequestTest2() {
                 .hasMessage(INVALID_COMMENT_ID + "에 해당하는 댓글을 찾을 수 없습니다.");
     }
 
+    @DisplayName("댓글 조회 메서드를 호출했을 때, 댓글 조회를 수행한다.")
+    @Test
+    void getCommentsTest() {
+        when(commentRepository.findAllByArticleId(anyLong())).thenReturn(Arrays.asList(comment));
+        List<CommentResponse> comments = commentService.getComment(member, ARTICLE_ID);
+
+        assertThat(comments).hasSize(1);
+        assertThat(comments.get(0).getContent()).isEqualTo(comment.getContent());
+        assertThat(comments.get(0).getNickname()).isEqualTo(comment.getNickname());
+        assertFalse(comments.get(0).getIsDeleted());
+    }
+
+    @DisplayName("특정 사용자의 삭제하지 않은 댓글 개수 조회 메서드를 호출했을 때, 댓글 개수 조회를 수행한다")
+    @Test
+    void countTotalCommentsByTest() {
+        Long expectedCommentsSize = 3L;
+        when(commentRepository.countCommentsByMemberAndIsDeleted(any(Member.class), anyBoolean())).thenReturn(expectedCommentsSize);
+
+        Long commentsSize = commentService.countTotalCommentsBy(member);
+
+        assertThat(commentsSize).isEqualTo(expectedCommentsSize);
+    }
+
+    @DisplayName("특정 사용자의 댓글 조회 메서드를 호출했을 때, 댓글 조회를 수행한다.")
+    @Test
+    void findAllCommentsByTest() {
+        when(commentRepository.findAllByMemberAndIsDeleted(any(Member.class), anyBoolean())).thenReturn(Arrays.asList(comment));
+        List<Comment> comments = commentService.findAllCommentsBy(member);
+
+        assertThat(comments).hasSize(1);
+        assertThat(comments.get(0).getContent()).isEqualTo(comment.getContent());
+        assertThat(comments.get(0).getNickname()).isEqualTo(comment.getNickname());
+        assertFalse(comments.get(0).getIsDeleted());
+    }
+
     @DisplayName("댓글 삭제 메서드를 호출했을 때, 댓글 삭제를 수행한다")
     @Test
     void deleteCommentTest() throws IllegalAccessException {
-        when(commentRepository.findById(1L)).thenReturn(Optional.of(new Comment("테스트", "슬픈돌고래", null)));
         Long savedCommentId = 1L;
+        when(commentRepository.findById(savedCommentId)).thenReturn(Optional.of(comment));
 
-        commentService.deleteComment(any(Member.class), savedCommentId);
+        commentService.deleteComment(comment.getMember(), savedCommentId);
 
         verify(commentRepository).save(any());
     }
+
+    @DisplayName("예외 테스트: 다른 사용자의 댓글을 삭제할 경우 에러 발생")
+    @Test
+    void deleteCommentExceptionTest() {
+        Comment anotherUserComment = new Comment(1L, "테스트", new Member(), "슬픈돌고래", null, null, false, null, null);
+
+        when(commentRepository.findById(any())).thenReturn(Optional.of(anotherUserComment));
+        assertThatThrownBy(() -> commentService.deleteComment(member, anotherUserComment.getId()))
+                .isInstanceOf(IllegalAccessException.class);
+    }
+
+    @DisplayName("특정 게시물의 댓글 개수 조회 메서드를 호출했을 때, 댓글 개수 조회를 수행한다")
+    @Test
+    void countCommentsTest() {
+        Long articleId = 1L;
+        Long expectedCommentsSize = 3L;
+        when(commentRepository.countCommentsByArticleId(articleId)).thenReturn(expectedCommentsSize);
+
+        Long commentsSize = commentService.countComments(articleId);
+
+        assertThat(commentsSize).isEqualTo(expectedCommentsSize);
+    }
 }
diff --git a/src/test/java/com/saebyeok/saebyeok/service/EmotionServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/EmotionServiceTest.java
index 5c68a30b..17856ab9 100644
--- a/src/test/java/com/saebyeok/saebyeok/service/EmotionServiceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/service/EmotionServiceTest.java
@@ -21,7 +21,7 @@
 import static org.mockito.Mockito.when;
 
 @ExtendWith(MockitoExtension.class)
-public class EmotionServiceTest {
+class EmotionServiceTest {
     private static final Long EMOTION_ID = 1L;
     private static final String EMOTION_NAME = "기뻐요";
     private static final String EMOTION_IMAGE_RESOURCE = "리소스";
diff --git a/src/test/java/com/saebyeok/saebyeok/service/LikeServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/LikeServiceTest.java
index d94ece17..af217258 100644
--- a/src/test/java/com/saebyeok/saebyeok/service/LikeServiceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/service/LikeServiceTest.java
@@ -54,7 +54,7 @@ class LikeServiceTest {
     void setUp() {
         this.likeService = new LikeService(articleLikeRepository, articleRepository, commentLikeRepository, commentRepository);
         this.member = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, Collections.emptyList());
-        this.article = new Article(ARTICLE_ID, "내용", member, LocalDateTime.now(), false, false, Collections.emptyList(), new ArrayList<>());
+        this.article = new Article(ARTICLE_ID, "내용", member, LocalDateTime.now(), false, false, new ArrayList<>());
         this.comment = new Comment(1L, "내용", member, "익명1", LocalDateTime.now(), article, false, null, new ArrayList<>());
     }
 
diff --git a/src/test/java/com/saebyeok/saebyeok/service/ReportServiceTest.java b/src/test/java/com/saebyeok/saebyeok/service/ReportServiceTest.java
index 225a3c5c..154c7b3f 100644
--- a/src/test/java/com/saebyeok/saebyeok/service/ReportServiceTest.java
+++ b/src/test/java/com/saebyeok/saebyeok/service/ReportServiceTest.java
@@ -6,6 +6,7 @@
 import com.saebyeok.saebyeok.dto.report.ReportCategoryResponse;
 import com.saebyeok.saebyeok.dto.report.ReportCreateRequest;
 import com.saebyeok.saebyeok.exception.ReportCategoryNotFoundException;
+import com.saebyeok.saebyeok.exception.ReportTargetNotFoundException;
 import com.saebyeok.saebyeok.service.report.ReportService;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
@@ -27,7 +28,7 @@
 
 @Sql("/truncate.sql")
 @ExtendWith(MockitoExtension.class)
-public class ReportServiceTest {
+class ReportServiceTest {
     public static final String REPORT_CONTENT = "이 게시물을 신고합니다";
     private static final Long MEMBER_ID = 1L;
     private static final String MEMBER_OAUTH_ID = "123456789";
@@ -37,11 +38,14 @@ public class ReportServiceTest {
     private static final String CATEGORY_CONTENT = "상업적 목적을 가진 게시물에 해당합니다.";
     private static final boolean IS_DELETED = false;
     private static final Long TARGET_CONTENT_ID = 1L;
-    private static final Long INVALID_CATEGORY_ID = 10000L;
+    private static final Long INVALID_CATEGORY_ID = -1L;
+    private static final String INVALID_REPORT_TARGET = "INVALID";
 
     private ReportService reportService;
+
     @Mock
     private ReportCategoryRepository reportCategoryRepository;
+
     @Mock
     private ReportRepository reportRepository;
 
@@ -79,7 +83,7 @@ void getReportCategoriesTest() {
     void createReportTest() {
         ReportCreateRequest createRequest = new ReportCreateRequest(REPORT_CONTENT, TARGET_CONTENT_ID, CATEGORY_ID, ReportTarget.ARTICLE.getName());
         when(reportRepository.save(any(Report.class))).thenReturn(report);
-        when(reportCategoryRepository.findById(1L)).thenReturn(Optional.of(reportCategory));
+        when(reportCategoryRepository.findById(CATEGORY_ID)).thenReturn(Optional.of(reportCategory));
 
         Report createdReport = reportService.createReport(member, createRequest);
 
@@ -98,4 +102,15 @@ void createReportWithCategoryExceptionTest() {
                 isInstanceOf(ReportCategoryNotFoundException.class).
                 hasMessage(INVALID_CATEGORY_ID + "에 해당하는 신고 분류를 찾을 수 없습니다.");
     }
+
+    @DisplayName("예외 테스트 : 잘못된 카테고리 타겟을 포함한 Request로 게시글 신고를 생성하면 예외가 발생한다.")
+    @Test
+    void createReportWithTargetTextExceptionTest() {
+        ReportCreateRequest invalidRequest = new ReportCreateRequest(REPORT_CONTENT, TARGET_CONTENT_ID, CATEGORY_ID, INVALID_REPORT_TARGET);
+        when(reportCategoryRepository.findById(CATEGORY_ID)).thenReturn(Optional.of(reportCategory));
+
+        assertThatThrownBy(() -> reportService.createReport(member, invalidRequest)).
+                isInstanceOf(ReportTargetNotFoundException.class).
+                hasMessage(INVALID_REPORT_TARGET + "에 해당하는 신고 타입을 찾을 수 없습니다.");
+    }
 }
diff --git a/src/test/java/com/saebyeok/saebyeok/util/NicknameGeneratorTest.java b/src/test/java/com/saebyeok/saebyeok/util/NicknameGeneratorTest.java
deleted file mode 100644
index ccc1ac75..00000000
--- a/src/test/java/com/saebyeok/saebyeok/util/NicknameGeneratorTest.java
+++ /dev/null
@@ -1,55 +0,0 @@
-package com.saebyeok.saebyeok.util;
-
-import com.saebyeok.saebyeok.domain.Article;
-import com.saebyeok.saebyeok.domain.Comment;
-import com.saebyeok.saebyeok.domain.Member;
-import com.saebyeok.saebyeok.domain.Role;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.DisplayName;
-import org.junit.jupiter.api.Test;
-
-import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.Arrays;
-
-import static com.saebyeok.saebyeok.util.NicknameGenerator.WRITER_NICKNAME;
-import static org.assertj.core.api.Assertions.assertThat;
-
-public class NicknameGeneratorTest {
-
-    private NicknameGenerator nicknameGenerator;
-    private Member me;
-    private Member other;
-    private Article myArticle;
-    private Article othersArticle;
-
-    @BeforeEach
-    void setUp() {
-        nicknameGenerator = new NicknameGenerator();
-        me = new Member(1L, "123456789", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
-        other = new Member(2L, "987654321", "naver", LocalDateTime.now(), false, Role.USER, new ArrayList<>());
-        myArticle = new Article(1L, "내용", me, LocalDateTime.now(), true, false, new ArrayList<>(), new ArrayList<>());
-        othersArticle = new Article(2L, "내용", other, LocalDateTime.now(), true, false, new ArrayList<>(), new ArrayList<>());
-    }
-
-    @DisplayName("본인의 글에 댓글 단 경우, 작성자임을 나타내는 지정된 닉네임이 부여돼야 한다.")
-    @Test
-    void writerNicknameTest() {
-        String nickname = nicknameGenerator.generate(me, myArticle);
-
-        assertThat(nickname).isEqualTo(WRITER_NICKNAME);
-    }
-
-    @DisplayName("타인의 글에 댓글을 여러개 단 경우, 내 닉네임들은 모두 같아야 한다.")
-    @Test
-    void severalCommentsByOneMemberTest() {
-        String myNickname1 = nicknameGenerator.generate(me, othersArticle);
-        Comment comment = new Comment("댓글내용", myNickname1, null);
-        comment.setArticle(othersArticle);
-        comment.setMember(me);
-        String myNickname2 = nicknameGenerator.generate(
-                me, new Article(2L, "게시물내용", other, LocalDateTime.now(), true, false, Arrays.asList(comment), new ArrayList<>()));
-
-        assertThat(myNickname1).isEqualTo(myNickname2);
-    }
-}