His girlfriend always insists on condoms and would never allow a creampie, but her busty older sister tempts him by saying he can cum inside her. She is also the kind of glamorous gyaru he has never dated before, making her impossible to resist. He loves his girlfriend, but becomes obsessed with her sister's bare pussy and how incredible raw sex feels. His girlfriend eventually catches them, yet he keeps pounding her sister bare right in front of her and finishes with a huge creampie.