One day, a mother who witnesses her son (Toru) watching AV and masturbating. She finds out that her son can't get along well with women, and her mother uses her body to try to build immunity to women, but she... Her son's caresses, which only has her AV knowledge. And I'm worried about the complexity of sex. Then her mother's sex education for her son begins ... While the son and mother who are improving little by little match their bodies many times ....
