You are video chatting with your big step sister, who is away at college. She tells you that she has to get ready to go on a date and says goodbye - but she forgets to end the call properly and you get a good eyeful as she changes out of her casual t-shirt and shorts and into a slinky, sequined dress. As she finishes changing she finally notices that you're still there. Your big step-sis freaks out, berating you for spying on her and not saying anything. Then she notices the look on your face - it's the exact same look you've had every time she's walked in on you while you were jerking off!... Show more