Mao married Kazuo, who became a boss at work after graduating from a university circle senior. Mao, her ideal boss and kind husband, was happy. One day, a man who is an acquaintance of her husband comes for a business meeting. When Mao meets him, the person there is her husband's best friend, Horio, whom Mao has dated in the past. Reunion with such a man. Moreover, her husband doesn't know about it and is puzzled. However, Horio was looking for Mao just like back then. Even though she knew that she became Kazuo's wife...
