Mari, a pure and innocent girl raised in an all-girls school, is a female student who has just awakened to her sexuality. Masturbation fantasies are no longer satisfying her curiosity, so she meets a man on social media and goes to Tokyo... Her erogenous zones are thoroughly trained, and her pent-up desire explodes in a series of 'イクぅぅぅ'. Her face, mouth, and genitals are all defiled with dirty semen, and eventually, she accepts internal ejaculation, transforming into a perverted woman...
