Ayase Miki is a well-known gyaru whose behaviour at school is questionable, and she is on the verge of repeating the year. Her homeroom teacher, Sakurai Makoto, tries to persuade her, but to no avail. Convinced that the situation will not improve without parental involvement, he decides to visit Miki’s family in person. Miki’s mother, Minami, who has a stunning figure and impressive curves, opens the door. Neither she nor her daughter take …