Elite investigator: Miou. Tracking down the illegal drugs used in a series of assaults on women, she infiltrates a suspicious hospital as a nurse. She discovers a mysterious clinical trial and begins an investigation but is captured by the hospital director... From there begins the devil's experiment. Forced to drink aphrodisiacs, her consciousness blurs, and she is molested by perverted men who expose and grope her ample breasts. Strapped to an operating table, she endures toy torture, forced paizuri, and is gang-raped by patients in a continuous internal ejaculation rape, welcoming the worst day of her life...
