Forbidden Fuck!!!!! Step-sister's boyfriend fucked!!!

My stepsister has had a new boyfriend for a while now...he's so cute! I noticed him immediately.....but what he wants with my stepsister is not so understandable to me!!!! The old one is so prudish and dry!!! Hihi today I tricked him and invited him to our house under a pretext haha and there I secretly seduced him and fucked him!!!! Haha that was cool to betray my stupid stepsister like that!!!! He was even allowed to fuck me AO and jerk off on me!!!!