A filial son who sees through the sexual desire of his mother who is excited by shame play makes his mother a naked housekeeper and starts training while engaging in all daily life naked. The mother was drowning in pleasure as a woman without understanding the feelings of such a son. A mother who was awakened by her son's de M instinct and whose dignity as a parent collapsed was estrus in the pleasure of shame and obedience, and begged her son Chi Po. [* There is some disturbance in the image and sound]