Possessed by an older man, Fujimori Riho, a busty woman takes over the role of her boyfriend in sex (DASS-572).

A chance encounter with Hajime and Aoki on the street gets the possessed man into trouble. He apologizes profusely, barely managing to get through the situation. He vows revenge one day. Driven by vengeance, he discovers Hajime has a lovely girlfriend, Riho. He kidnaps Hajime, immobilizing him, then possesses Riho and demonstrates sexual acts to him.