I've never been popular with girls, but finally I have a girlfriend. She's small, innocent, and has a great personality. She's also really cute. Just when I'm at the peak of my happiness, a big-bodied senior who was known for being a bad boy in his school days moves in next door. He keeps telling me my girlfriend is cute, so I get worried... Rika Aomi, who is particularly short and thin among S1's exclusive actresses, is raped by a huge man who is several times her weight in this full-scale cuckold drama!