Twelve mothers who love their sons so much that they teach their teenage sons about sex in a thorough and sticky way appear in this film. Sex starts with skinship in the bathroom, and sex while teaching them how to masturbate... Sons who discover their mothers' unknown, erotic side... can't help but get hard! The mothers' expressions of love and lewdness escalate with no limit. Like a child, entrust everything to your mother and indulge in the pleasure of mother-son incest...