Masao and Yukino, a married couple who have been married for two years, are former colleagues of a certain corporate consulting company. However, pushed by the recent recession, Masao's company was in a slump. One day, Masao is blamed by Kudo, the managing director of the customer, for the damage caused by Masao's mistake. Masao, who can't talk to his boss very much, drinks Kudo's suggestion that "I want Yukino-san to work as an accountant for our company free of charge." It was a sneaky trap set up by Kudo ...