Aki and Shinji are a couple who have been married for two years. However, this modest happiness was broken by trivial matters. One day, Aki was cuckolded by Shizuko's husband. Aki, out of anger, forgave her husband but did not forgive Shizuko. Aki ambushed Shizuko's husband and attacked her... It was to get revenge, but gradually became a prisoner of Shizuko's husband's cock.