Because these files are fan-made, they aren't hosted on mainstream sites like Amazon. You usually have to look in specific community hubs:
This is the "gold standard" for tracking translations. Search for the title there to find links to the translation groups' blogs. Harem In Maze 2 English Patch.epub
Groups like Bakapervert or similar individual translators often host the EPUB files directly on their WordPress or Blogger sites. Because these files are fan-made, they aren't hosted
You may need to use a program called Calibre to convert the EPUB into an AZW3 or KFX format, though modern Kindles can now sometimes accept EPUBs via the "Send to Kindle" service. A Quick Word of Caution A legitimate English patch should only be a
When searching for files with specific extensions like .epub , be careful of "spam" sites that ask you to complete surveys or download .exe files. A legitimate English patch should only be a few megabytes and should never require you to install software to "unlock" the text.
Subreddits like r/LightNovels or r/Isekai often have "MTL" (Machine Translation) or edited fan-translation threads where users share EPUB links via Mega or Google Drive. How to Install and Read the EPUB
Once you’ve tracked down the "Harem In Maze 2 English Patch.epub" file, here’s how to get it running: