Fun links to my favorite obscure stuff...
You probably know:
https://e-hentai.org/g/604551/cc9d2e3648/
And:
https://hypnopics-collective.net/smf_forum/index.php?action=profile;u=45365 (Need to be a member)
Some of favorite obscure stuff on CHYOA:
https://chyoa.com/chapter/Cast-the-sin-of-LUST.480286
https://chyoa.com/chapter/Begin-your-climb.236087
https://chyoa.com/chapter/The-Horror-and-Sci-Fi-Aisle.345222