Your little stepsister doesn't like that you are in charge while your parents are gone for a week. Custom: Just because you are older than me doesn't mean that you can tell me what to do. I put something in your drink that will make your younger than me. Just then you regress to a . Now I am 5 years older than you are now, it is I who will be telling you what to do my now YOUNGER step-brother. Those clothes are too big for you, oops your pants just fell down. The step-sister notices that her step-brother has a growing hard on for her. Oh Andrew I thought I was your dorkey little step-sister, n... Show more