Just removing all lists that are not from Japanese origin in Novelupdates. To use this, you need to enable "Enable Origin Tagging (No Colors)" in Account Setting > Site Settings.
Created by ChatGPT, modified by DeepSeek. I'm just archiving it because I don't want to forget the script.
To install, click this but you need to have extension like violentmonkey, greasemonkey, etc.
Use it at your discretion