Masturbation in bathroom

In order to rehabilitate their son, who had to repeat a year in college and lost his part-time job due to excessive masturbation, Reiko, the mother, and her father came up with the unexpected idea of "no masturbation"! However, since he started abstaining from masturbation, his behavior has become more and more abnormal day by day... If he continues like this, will he become a sex offender...? Worried about her son's future, Reiko tries to somehow get him to start masturbating again, but it doesn't go well... Finally, she decides to release her son's sperm with her own hands.