Anything with a young son, for some reason.
Either the mom seducing him, or him seducing the mom and sisters, or brothers.
I think I have a lot of unresolved horniness from my childhood lol
parent/child incest, siblings incest, cousins incest, aunt/nephew incest, uncle/niece incest, grandparent/grandchild incest. and of course, the most important one of all, impregnation incest
IF MC is older: Whole family
If MC is younger: ...Whole family.
general try to play all of a devs content even if i dont agree with it. they did do the work you know..best to play it at least once