custom:your step-brother is studying for his anatomy test and it's on the female anatomy so he asks for your help. You of course help him out but he shocks in the middle of it and asks to see you naked you agree because it will help him but during it you see him trying to hide his hard on you ask him is that what I think it is you then tell him you need to take care that go ahead.During it you see him looking at you so you start to tease him and you can't believe he's getting turned by his own step-sister after awhile you say your taking too long so you reach down and start to help him in this... Show more