VENU-891 A son named Kazama Yumi who forces his mother to wear a chastity belt and abstain against her will.

A son, Takuya, who looks into the body of his mother, Yumi, who is full of flesh. His respect for his mother became distorted, and he could not control his desire to make her his own. “It’s a present for my mother.” One day, Takuya attacks Yumi and attaches a chastity belt to her crotch. “From now on, I will manage my mother’s sexual desire.”