Mark and his stepsisters were hanging out at the dormitory pool, having a good time playing some games. Their friends joined in as well, adding to the fun. Mark's stepsisters were not shy about showing off their bodies, which made the guys even more excited. The guys started to imagine what it would be like to be with them, and the girls knew exactly what they were thinking. The game they were playing was like a visual novel, with each choice leading to different outcomes. The guys were able to watch the girls undress and get up close and personal with them in the game. This was a wild ride for everyone involved, and they all had a great time. The guys were able to experience their fantasies through the game, and the girls were able to play along and have some fun.