Ever since you came home for the Holidays, your step-sister has been a total weirdo. She's constantly batting her eyelashes and licking her lips at you. What's even more strange is the fact that, the first night you were home, she leaned towards you as she was passing you in the kitchen and said, "ever heard of free-use?" and then winked at you! Of course, you've heard of free use; some of the guys at work talk about how their wives and even their in-laws are free use, but to hear it from your step-sister's mouth? It was all too much. You shrug it off but it gets to you. Later, upstairs in ... Show more