diff --git a/src/main/java/com/example/egobook_be/domain/auth/enums/AuthErrorCode.java b/src/main/java/com/example/egobook_be/domain/auth/enums/AuthErrorCode.java
index aa6cf71..3792d84 100644
--- a/src/main/java/com/example/egobook_be/domain/auth/enums/AuthErrorCode.java
+++ b/src/main/java/com/example/egobook_be/domain/auth/enums/AuthErrorCode.java
@@ -30,6 +30,7 @@ public enum AuthErrorCode implements BaseErrorCode {
      */
     RECERTIFICATION_FAIL_USER_WITHDRAW_PENDING(HttpStatus.FORBIDDEN, "사용자가 탈퇴 대기중이기 때문에, 해당 토큰으로 재인증할 수 없습니다."),
     RECERTIFICATION_FAIL_USER_WITHDRAWN(HttpStatus.FORBIDDEN, "사용자가 탈퇴했기 때문에, 해당 토큰으로 재인증할 수 없습니다."),
+    GOOGLE_JOIN_FAIL_USER_WITHDRAWN(HttpStatus.FORBIDDEN, "사용자가 탈퇴했기 때문에, 구글로 회원가입 할 수 없습니다."),
 
     /**
      * 401 UNAUTHORIZED: 인증되지 않음
diff --git a/src/main/java/com/example/egobook_be/domain/auth/repository/AuthAccountRepository.java b/src/main/java/com/example/egobook_be/domain/auth/repository/AuthAccountRepository.java
index c698379..643b387 100644
--- a/src/main/java/com/example/egobook_be/domain/auth/repository/AuthAccountRepository.java
+++ b/src/main/java/com/example/egobook_be/domain/auth/repository/AuthAccountRepository.java
@@ -9,7 +9,6 @@
 import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
-import java.util.Collection;
 import java.util.List;
 import java.util.Optional;
 
@@ -24,20 +23,10 @@ public interface AuthAccountRepository extends JpaRepository<AuthAccount, Long>
      */
     @Query("SELECT a FROM AuthAccount a JOIN FETCH a.user " +
             "WHERE a.hashedDeviceUid = :hashedDeviceUid AND a.provider = :provider")
-    Optional<AuthAccount> findByDeviceUidAndProvider(
+    Optional<AuthAccount> findByHashedDeviceUidAndProvider(
             @Param("hashedDeviceUid") String hashedDeviceUid,
             @Param("provider") Provider provider
     );
-    /**
-     * HashedDeviceUid & Provider로 AuthAccount 객체를 찾는 함수
-     * @param hashedDeviceUid String
-     * @param provider Provider
-     * @return Optional<AuthAccount></AuthAccount>
-     */
-    @Query("select a from AuthAccount a " +
-            "join fetch a.user u " +
-            "where a.hashedDeviceUid = :hashedDeviceUid and a.provider = :provider")
-    Optional<AuthAccount> findByHashedDeviceUidAndProvider(@Param("hashedDeviceUid") String hashedDeviceUid, @Param("provider") Provider provider);
     /**
      * 특정 유저의 특정 Provider 계정 조회 (Guest 계정 찾기용)
      */
diff --git a/src/main/java/com/example/egobook_be/domain/auth/sevice/AuthService.java b/src/main/java/com/example/egobook_be/domain/auth/sevice/AuthService.java
index 0f23e85..4da0e24 100644
--- a/src/main/java/com/example/egobook_be/domain/auth/sevice/AuthService.java
+++ b/src/main/java/com/example/egobook_be/domain/auth/sevice/AuthService.java
@@ -16,6 +16,7 @@
 import com.example.egobook_be.domain.terms.repository.UserTermRepository;
 import com.example.egobook_be.domain.user.entity.Ability;
 import com.example.egobook_be.domain.user.enums.RoleType;
+import com.example.egobook_be.domain.user.enums.UserErrorCode;
 import com.example.egobook_be.domain.user.enums.UserStatus;
 import com.example.egobook_be.domain.user.repository.AbilityRepository;
 import com.example.egobook_be.global.util.*;
@@ -99,8 +100,22 @@ public JwtTokenResDto registerGoogle(GoogleJoinReqDto reqDto){
          * - Provider.GOOGLE과 조합하여 체크한다.
          */
         String hashedGoogleSub = hashingUtil.hashingValue(googleSub);
-        if(authAccountRepository.existsByHashedDeviceUidAndProvider(hashedGoogleSub, Provider.GOOGLE)){
-            throw new CustomException(AuthErrorCode.ALREADY_REGISTERED_USER);
+        AuthAccount authAccount = authAccountRepository.findByHashedDeviceUidAndProvider(hashedGoogleSub, Provider.GOOGLE).orElse(null);
+        if(authAccount != null){
+            // (1) 기존에 가입된 계정이라면, User를 찾아서 삭제 대기중인지 확인한다
+            User user = authAccount.getUser();
+
+            // (2) 만약 삭제 대기 중인 경우라면 해당 계정의 상태를 ACTIVE로 변경하고, 토큰을 새로 발급한 뒤 Refresh Token Backup 테이블 & Redis 갱신 후 결과 반환
+            if(user.getStatus().equals(UserStatus.WITHDRAW_PENDING)){
+                log.info("[Google Join] 탈퇴 대기 중인 구글 사용자가 재 회원가입을 시도하였습니다.");
+                user.cancelWithDrawUser(); // 사용자 상태 복구
+                return processIssueTokens(user, authAccount, email);
+            }
+            // (3) 만약 사용자가 삭제 상태면 예외 throw
+            if(user.getStatus().equals(UserStatus.WITHDRAW)){
+                log.info("[Google Join] 탈퇴된 구글 사용자가 재 회원가입을 시도하였습니다.");
+                throw new CustomException(AuthErrorCode.GOOGLE_JOIN_FAIL_USER_WITHDRAWN);
+            }
         }
 
         /*
@@ -116,24 +131,29 @@ public JwtTokenResDto registerGoogle(GoogleJoinReqDto reqDto){
          * - hashedDeviceUid 자리에 hashedGoogleSub를 저장한다.
          * - recoverToken은 createAuthAccount 내부에서 초기값(null)으로 설정된다.
          */
-        AuthAccount authAccount = createAuthAccount(user, Provider.GOOGLE, hashedGoogleSub);
+        authAccount = createAuthAccount(user, Provider.GOOGLE, hashedGoogleSub);
 
+        // 5. Token을 발급 및 환경 세팅 수행
+        return processIssueTokens(user, authAccount, email);
+    }
 
-        // 5. 토큰 발급을 위한 UserDetails 생성
+    /** Token들을 발급하는 과정을 담은 함수 */
+    private JwtTokenResDto processIssueTokens(User user, AuthAccount authAccount, String email){
+        // 1. 토큰 발급을 위한 UserDetails 생성
         CustomUserDetails userDetails = buildCustomUserDetails(user, authAccount);
 
         /*
-         * 6. Access, Refresh Token 생성
+         * 2. Access, Refresh Token 생성
          * - **주의**: Google은 Recover Token을 생성하지 않는다.
          */
         TokenInfo accessTokenInfo = jwtUtil.createAccessToken(userDetails);
         TokenInfo refreshTokenInfo = jwtUtil.createRefreshToken(userDetails);
 
-        // 7. Refresh Token을 Table, Redis에 저장하는 Process 수행
+        // 3. Refresh Token을 Table, Redis에 저장하는 Process 수행
         processRefreshTokenSaving(user, authAccount, refreshTokenInfo);
 
         /*
-         * 8. 클라이언트에게 토큰 반환
+         * 4. 클라이언트에게 토큰 반환
          * - Google 로그인이므로 recoverToken은 null을 반환한다.
          */
         return buildJwtTokenResDto(accessTokenInfo.token(), refreshTokenInfo.token(), null, email);
diff --git a/src/main/java/com/example/egobook_be/domain/user/entity/User.java b/src/main/java/com/example/egobook_be/domain/user/entity/User.java
index 968a5b0..74b4c0e 100644
--- a/src/main/java/com/example/egobook_be/domain/user/entity/User.java
+++ b/src/main/java/com/example/egobook_be/domain/user/entity/User.java
@@ -153,6 +153,14 @@ public void withdrawUser(Long purgeDurationInMs) {
         this.notificationEnabled = false;
     }
 
+    public void cancelWithDrawUser(){
+        this.status = UserStatus.ACTIVE;
+        this.deletedAt = null;
+        this.purgeAt = null;
+        this.dailyPraise = true;
+        this.notificationEnabled = true;
+    }
+
     public void addInk(int amount) {
         this.ink += amount;
     }
diff --git a/src/main/java/com/example/egobook_be/domain/user/repository/UserRepository.java b/src/main/java/com/example/egobook_be/domain/user/repository/UserRepository.java
index 73338d8..87ca513 100644
--- a/src/main/java/com/example/egobook_be/domain/user/repository/UserRepository.java
+++ b/src/main/java/com/example/egobook_be/domain/user/repository/UserRepository.java
@@ -74,4 +74,5 @@ List<User> findByNicknameContainingIgnoreCaseOrAccountCodeContainingIgnoreCase(
 """)
     List<Long> findAvailableReceivers(@Param("now") OffsetDateTime now, Pageable pageable);
 
+    Optional<User> findByEmail(String email);
 }
diff --git a/src/main/java/com/example/egobook_be/global/loader/ItemInitializer.java b/src/main/java/com/example/egobook_be/global/loader/ItemInitializer.java
index 2de6798..26296c0 100644
--- a/src/main/java/com/example/egobook_be/global/loader/ItemInitializer.java
+++ b/src/main/java/com/example/egobook_be/global/loader/ItemInitializer.java
@@ -167,8 +167,8 @@ private List<Item> getInitItemList(){
          *  5-3) Beach.png
          */
         items.add(buildBackgroundItem("Default.png", 0));
-        items.add(buildBackgroundItem("Blossom.png", 0));
-        items.add(buildBackgroundItem("Beach.png", 0));
+        items.add(buildBackgroundItem("Blossom.png", 750));
+        items.add(buildBackgroundItem("Beach.png", 1000));
 
         return items;
     }
diff --git a/src/main/java/com/example/egobook_be/global/security/CustomUserDetailService.java b/src/main/java/com/example/egobook_be/global/security/CustomUserDetailService.java
index 39a2a1d..6ab2cd9 100644
--- a/src/main/java/com/example/egobook_be/global/security/CustomUserDetailService.java
+++ b/src/main/java/com/example/egobook_be/global/security/CustomUserDetailService.java
@@ -64,7 +64,7 @@ public UserDetails loadUserByUsername(String compositeKey) {
          * - AuthAccountRepository에서 fetch join으로 영속성 컨텍스트에 User 정보까지 같이 가져온 상태이다.
          * throw 해당 UID 기기를 찾을 수 없다는 예외
          */
-        AuthAccount authAccount = authAccountRepository.findByDeviceUidAndProvider(deviceUid, provider)
+        AuthAccount authAccount = authAccountRepository.findByHashedDeviceUidAndProvider(deviceUid, provider)
                 .orElseThrow(() -> new CustomException(AuthErrorCode.USER_NOT_FOUND));
 
         /*