first of all, the game is alright, and second there isn't actually any sex, it's just a horror game with an extremely abusive manipulative sister/brother dynamic where there are a lot of fucked up things that happen like eating the neighbor, sacrificing souls to a demon, etc, near the end of the game there's a choice you can make that is that the sister gets more serious about making sure her brother is only hers and that implies incest, for some reason people on twitter got really mad at the inclusion of incest as a topic when it's very obviously not an endorsement but a bad theme like all of the others the game gets into