You like jerking off with your door open. You hope that someone will walk by and see you in the act. Again you have done this and your step sister's friend saw you. Now your step sister Sara is threatening to tell your parents about this. Sara is on the phone with this friend and they decide that you have to do whatever they say. Sara is grossed out by you, but she wants to make sure that she has some dirt on you. She tells you to start jerking it and her friend helps by giving instructions on the phone. Her first instruction is that Sara should encourage you visually, so Sara shows you her titties. That definitely got you hard and you get to work on your shaft. To further humiliate you, you are ordered to stand up on one foot while jacking off. Now you are told to squat and jerk. Sara's friend is a bitch! You do as you are told because you do not want to get into trouble with your parents. As you suck on Sara's toes, you feel quite happy.