Maki, who has a single son about to advance to the next school year. She had been overly protective of her son due to her love for him, but one day she received news that her son had sexually harassed a female student at school… Just as his advancement was decided through recommendation, her son's misconduct occurred. Maki pleaded with the teachers for her child's advancement, and they presented a settlement condition: ≪Spend one day with the male teachers≫. Maki agreed to this for her beloved son but gradually began to realize her own masochism…
