Your step-sister's always been a little...airheaded. You twice convinced her that the moon got physically smaller through its phases. Twice. But you're a good step-brother, so when she calls you to come over and help her with something, you head on over...only to find your step-sister, in a push-up bra and black shorts, hair in braided pigtails. Your step-sister may be sort of dumb, but she's also really hot. Like, you know you shouldn't think that, but you always have. And here she was, on her bed, looking like an absolute snack.

She tells you that her meathead boyfriend Dave is c... Show more