Iam now currently playing tales of androgyny and wowww there's a lot i mean a lot of texts in it. it's to much information even for a porn game. But it does have a good animation and character design.
If you think that's bad, you should see Corruption Of Champions 2. It's basically a book.
There is a cheat mode that allows you to unlock the gallery, but it is locked to Patreon copies. If you're really lazy, you can just edit your Profile to force everything to be unlocked.
https://itch.io/t/1117096/tutorial-almost-100-save-file-and-how-to-use-it