Well yeah, inbreeding is what I meant. Didn't actually know there was a difference.
Still, I've read that many animals prefer not to fuck/breed with relatives. Except some pigeons in cities apparently, they prefer their relatives if Wikipedia and my memory of that article is to be believed.
Better phrasing would've probably been "Lack of sexual interest in family".

https://steamdb.info/app/4495510/
They allowed this game on their platform for two weeks and only removed it because the developer requested the removal lol
Slavery simulator is an allowed genre on Steam.