To reform their son, who repeated a year in college and got fired from his part-time job due to excessive masturbation, the mother, Reiko, and father came up with the idea of 'no fap'! However, since starting 'no fap', their son's behavior has become increasingly abnormal... If this continues, he might commit a sex crime... Worried about her son's future, Reiko tries to get him to resume masturbating, but it doesn't go well... Eventually, she decides to make her son ejaculate with her own hands―.
