The mother of the underperforming son Akira, Yoshi, is told by his teacher during a three-way meeting that Akira will be held back if he continues like this. Yoshi tries to seduce the teacher with her signature fellatio to ensure her son's graduation. However, this scene is witnessed and photographed by Akira's friend Takashi. A few days later, Takashi visits Yoshi at home and shows her the photo…
