Step-sister Visits Home

Your Step-Sister is visiting home after being away at an all girls college and you two are going to be home alone together all night. You start by helping her put away her clothes, watching her bend over in her tiny jean shorts while she unpacks. She tells you about college, her classes and confesses how much she missed you while she was away. She then asks if you want to see her uniform, complaining about how short and ridiculous it is. She goes to change but can't find her skirt that's part of her uniform, she searches all over for it, crawling around in the floor with her small white thong barely covering her asshole and pussy. She eventually figures out that you were hiding it on you and playfully scolds you. She changes into her uniform and she wasn't kidding! Her skirt doesn't even cover her butt and her top is more of a glorified bra, good thing it's an all girls college. It's getting late so she says goodnight and you two go to bed in separate bedrooms. Abruptly, you're a wok