DLsite https://www.dlsite.com/maniax/work/=/product_id/RJ302401.html/?locale=ja_JP
DLsite (English) https://www.dlsite.com/maniax/work/=/product_id/RJ302401.html/?locale=en_US
Description:
Fuck or Fight is a 3D fighting game where the loser gets fucked, it's cheap (1540 JPY) and kinda janky but...