Your step-sister walks into your bedroom unannounced to ask you something and you quickly try to hide the fact that you were jacking off to porn at your desk. She notices what was on the computer screen and sees you trying to cover up your lap. She laughs and calls you a perv. She wants to know what you were watching and although you again try to minimize your screen, you accidentally press the wrong tabs and she sees what you were watching. She looks confused at first and then says how the girl looks a lot like she does. She slowly realizes that you must find her attractive and she starts... Show more