Sins of Lust

The hero grapples with a rare medical condition, where he produces excessive sex hormones but struggles to get aroused like other guys. Both the doctor and the nurse display an unusual fascination with this medical anomaly and propose a peculiar treatment to ignite his sexual desire.

Amidst this turmoil, his housemate, the most significant person in his life, offers unwavering support but emphasizes her boundary not to cross. Fortunately, the protagonist discovers a book that promises to guide him through fulfilling all his forbidden fantasies and desires step by step.