One day, mother Asahi Mizuno witnessed her son washing his dream pants. For a son who didn't know how to handle himself, an educated mother took out a medical book and taught him how to masturbate. From this moment on, mother's sex education went off track … He enthusiastically teaches everything from how to touch his breasts to how to insert his penis and take away his virginity. At the end of the day, even my son's friends get sex education. A strict and overzealous mother drowns in pleasure from her son's cock.