Family affair

Ch 2 older brother raped his elder brother

Father x adopted son
Father of uke planned to have his son kidnapped, but instead he got his son's childdhood friend.
He raped this 10 yo boy
Boy kept having sex with him in Roeder tompeotect uke (later he raped uke, when they first met after few years)
Then father adopted this boy and continued to forcefully having sex

Ch 0.1 brothers

Ch 14
Uncle bit and raped his nephew (his brother's son)

Father x son
Ch 3,4

Stepcousing (stepson of aunt)

Father x son's friend

Not actually incest
His dad died and he was going to be adopt by company's president (he has twin bro)

Seme x ex wife's younger brother

Ch 1 stepfather