Miyata, who is sloppy with women and money, has a girlfriend who he can treat as he sees fit, but he learns that her younger sister is Miyata's worst striker. One night, Miyata, who plans to make her his own, breaks into Azusa's room while she is sleeping and blackmails her using an erotic video of her older sister that he had taken for her hobby. do. She resists, but Azusa takes advantage of her advances and allows her body. Later, Miyata calls Azu to her home and begins to train her in an aphrodisiac so that he can use her as his meat urinal...