You're stuck at home with your big step-sis babysitting - even though you're way too old to need a sitter - while your folks are off for the weekend. She's home from college and seems even more insufferably smug than usual. "I hear you have a girlfriend!" she says, delightedly. "I bet Step-Mom hasn't given you a proper birds and the bees talk though." You can feel yourself starting to blush but she doesn't let up. "I bet your poor girlfriend hasn't cum even once, I bet you don't even know what a real orgasm looks like. See, it's polite to get your girlfriend off at least twice if not more b... Show more