BG - Kenzie Madison (step sis) and Kyle Mason (step bro) • Scene starts off with bro an sis in the living room at the beginning of a new school year - sis is a little upset that bro is now going to be going to the same school as her - she tells bro he's going to embarrass her that he is dumb and he is never going to graduate - bro is offended and they make a bet that if he actually graduates on time he can fuck her - three years later - it's graduation day they are both excited and bro brings up the bet they had - sis didn't remember and is like no way i'm fucking you bro says a bets a bet and she's a welch - after some teasing sis finally agrees to make bro cum by a handle but she won't fuck him and they can call it even - after handle for a while bro can't cum so we go to bj that escalates to sex