Rina Takakura is a nurse beloved by patients for her cleanliness and devoted attitude in the medical setting, known for never shying away from tasks like cleaning male genitalia. However, she harbors a secret far too grave to be dismissed as a mere medical error. When Dr. Kimura uncovers the truth, he begins blackmailing her, forcing her to walk through the hospital in just her underwear and compelling her to suck patients' dicks in acts of sexual violence. The abuse escalates further, driving Rina into becoming a female slave■. Then, the shocking truth she's been hiding is finally revealed. The ensuing scandal engulfs the entire hospital, culminating in a stunning transformation—into a cage for human livestock★.