Chapter 2965 A Family Fuck Trip(Incest/Taboo Sex):>Ep11

She slipped her head under mine and squeezed in front of me. I don't think it was intentional, but her ass rubbed against the crotch of my swim trunks. Between watching Kathy sucking Mark and feeling Lisa's soft cheeks, I grew hard. I was sure Lisa could feel it, but she didn't move. We both continued to watch my sister devouring Mark's hard cock. Standing over Lisa and peeking through the door was awkward. I shifted to keep from losing my balance. The movement was subtle, but enough for my cock to slide into the crack between her cheeks. I looked over my shoulder to make sure no one could see us. Fortunately, the storage room was on the side of the house not visible from the beach or the street.