Airi, the devoted wife, sent her husband off with a forced smile as he went out drinking with his superior. She harbored three secrets: (1) she had an affair with a married man before her marriage, (2) she couldn't sever ties with him, and (3) the man was her husband's boss, Manager Nakahara. When Airi tried to end their relationship, Nakahara laughed and undressed her, retorting, "Do you want me to tell your husband?" She couldn't respond as Nakahara's erect member deeply penetrated her secret parts...
