After graduating from a senior in a college circle, Mao married Kazuo, who became her boss at work. Mao, the ideal boss and kind husband, was happy. One day, a man who is acquainted with her husband comes to a business talk. When Mao met, it was Horio, who was her husband's best friend and Mao had been dating in the past. Reunion with such a man. Moreover, my husband is confused without knowing that. However, Horio asked for Mao as he did back then. Knowing that he became Kazuo's wife ...