Your step-mom has been diagnosed with sex addiction and she can't stop cheating on your step-dad. He has been fed up with her and kicked her out and now she wants to move in with you. Wow, why can't she just control herself and stop fucking random dudes? Well, it could be much easier for her to stay out of trouble if someone fucked and satisfied her, have you thought of helping step-mommy? After all, keeping it in the family is a great idea! What? You will scratch her itch, if she scratches yours? What do you mean? Do you want her to satisfy your secret pee fetish?