Adult PC Game: Occult Rewrite - Chapter 1 - Version 1.6 by Biomacchia Archive

After crashing on a mysterious, unworldly island, you and your classmates find themselves battling against a depraved curse with some... immoral effects.
Their minds slowly cloud with impure thoughts and only you, with you mighty, meate, throbbing-- brain! Can save them from their fate. Argue! Discuss! investigate
your way through this ero-horror adventure!