Shiori Tsukada, a voluptuous bodycon mom who seduces her daughter's virgin boyfriend unconsciously and repeatedly masturbates while saying, "Let's practice with my body."
Shiori is a single mother who has an extremely plump body that excites men to the point of going crazy, but she is completely unaware of it and wishes for the happiness of her daughter. She doesn't care about clothes and always wears comfortable clothes, but when she was told, ``I'm bringing my boyfriend next time, so make sure you dress up,'' she ended up wearing a body-con dress that was on sale at a bargain price in the neighborhood. Her boyfriend comes to the house while her daughter is out. Shiori's boyfriend, who becomes suspicious of Shiori's obscene appearance, can't help but get an erection...