Eating your own cum? EW! It sounds so gross when you're on your own, beating off in the basement! But Step-Mommy is granting you some special access and a chance to jerk off in her presence. How rare! But there's a catch, of course. Beating your dick to Step-Mommy means you're sure to make a mess and when you do...she demands you impress her. She demands that you clean it up!