Step-Mom comes in to clean step-son's room and step-son begins to masturbate in front of her. He takes off her top and pushes her down to the bed. He tells her to be a good slut. step-Mommy resists but step-son says when he cums it will be over. step-Mom gets up to leave and step-son pushes her onto the bed again. step-Son fucks step-mommy till step-mommy becomes his good slut!