Dr. Kuwabara is coerced by the hospital administration into overseeing a sinister "special ward" designed to provide sexual services to wealthy clients by "breaking in" the nursing staff. Haunted by his past as a test subject for the sadistic Hirasaka, Kuwabara struggles with his own trauma and a volatile desire to reclaim his bond with Mana, leading to a desperate attempt to outdo Hirasaka's cruelty.