One day, Kaho, the head female teacher of the grade, visited the house of Taichi, a student who was refusing to go to school. - The school had abandoned Taichi, but Kaho, who has a strong sense of responsibility, came to visit Taichi's home despite the opposition of his fellow teachers. - However, Taichi sets up Aro Koto or Kaho. - Kaho is corrupted by greedy sexual intercourse, and even Taichi's family members who show up shower him with vulgar language. - The reason Taichi was refusing to go to school was because of the ``underhand job'' he was doing with his family. - Kaho is further tied up and becomes an obedient masochist...