Step-Mommy was tucking her step-son into bed when he asks her an odd question. Her step-son starts asking her about his private parts and how they have been growing lately. He wants step-Mommy to teach him what to do with it. step-Mommy tells her step-son that it would be wrong but he keeps begging. step-Mommy decides that it would be her duty as a parent to help her step-son and show him how to take care of himself. She tells him to pull down his pants so he can pull it out for her. step-Mommy starts lightly stroking her step-son and shows him how to hold his cock. He asks his step-Mommy if he can cum in her mouth and she agrees but only this once. After her step-son finishes on her face he still wants more from his step-Mommy. step-Son asks step-Mommy if she will let him be inside of her so he knows what it feels like. step-Mommy hesitates but gives in. She gets on top of her step-son and slides him inside of her. step-Mommy tells him that he needs to warn her when he is close so he can pull out but step-son ignores his step-Mommy and cums inside of her. step-Mommy tells her step-son that this has to stay a secret, even from step-Daddy.