Aki and Shinji are a couple who have been married for two years. However, this modest happiness was shattered by trivial matters. One day, Aki was cheated on by Shizuko's husband. Out of anger, Aki forgave her husband but did not forgive Shizuko. Aki ambushed Shizuko's husband and attacked her... It was supposed to be revenge, but gradually she became a prisoner of Shizuko's husband's penis.
