JUFE-530 My girlfriend's younger sister was extremely violent, so I soaked her white whipped body in an aphrodisiac and trained her to squirt and urinal! Azu Amatsuki

Miyata, who is sloppy with women and money, has a girlfriend who he can use as he sees fit, but he learns that her younger sister is Miyata's worst striker. Miyata, plotting to somehow make it his own, breaks into Azusa's room while she is sleeping one night and blackmails her using an erotic video of his older sister that he had taken for fun. Azusa resists, but she gets carried away and allows herself to be fucked. at a later date