Shizuka works as a teacher at the same school as her husband. Shizuka, who has the charm of a mature woman, was interested as a woman from the students. Among them, Aoi, who has a powerful father at the school, is planning to somehow make Shizuka his own. At that time, Sagawa, who pretended to be a janitor and was watching over Aoi, obtained evidence of Shizuka's husband's corruption. And Shizuka who receives training of shame while being tied up with a dirty hemp rope for her husband. The pain gradually planted the pleasure of a female in Shizuka's ripe body.