Yurie's son, Kenichi, is an enthusiastic student with a high deviation score, and is well-received by his neighbors. And there is another thing that is rumored in the neighborhood. It is a distorted relationship between a son and a mother. It is said that there is a physical relationship between his son Kenichi, who is an inner benkei and has two sides to his personality, and his mother, Yurie, who has a kind and irresistible personality. A violent son turns his mother into a sex slave... But the reality was not so simple. Rather, the problem lay with his mother, Yurie. She had a masochistic propensity and had a desire to be abused. [* There is some disturbance in the image and sound]