You have always had a thing for your step-sister. You come into her room with a proposition. You tell her that you will do all of her school work for the whole year if she gives you one little hand job.
Your step-sister sees this as an opportunity to get a little more out of you than a few homework assignments, her naturally dominant side comes out and she orders you to get undressed and begins jerking your cock.
As she starts stroking you, she also starts to humiliate you, telling you how much of a perv you are and making you feel lower than low.

Initially, you feel bad, b... Show more