Aki and Shinji are a couple who have been married for two years. However, this modest happiness was broken by trifles. One day, Aki was cuckolded by Shizuko. Out of anger, Aki forgave her husband but did not forgive Shizuko. Aki ambushes Shizuko's husband and attacks her... It is for revenge, but gradually becomes a prisoner of Shizuko's husband's cock.