If she gets caught, she'll be raped again and again... Yui, a high school girl, has come for a regular checkup. She is tricked by a hospital that plans rapes and is admitted for a test. Yui meets Mio, a girl her age, in the hospital room and they become friends. However, the doctor puts her to sleep with a sleeping pill and she ends up being raped. This hospital is a rape ward where doctors, nurses, patients, and security guards are all sex offenders... KM Produce Co., Ltd.