Self

Trama

Youichi is a serious and stoic young man who, despite having a girlfriend and an active sex life, has never engaged in sexual self-gratification. While working at a library, he discovers a book titled "Masturbation," which offers an academic exploration of the history of the sin of Onan and related practices. Intrigued by the concepts presented in the book, Youichi decides to begin a series of personal experiments.