Kozawa, the chairman of a corporation, worries that his reckless son shows no signs of getting married. He plans an arranged meeting between his son and Rio, the daughter of a business partner. However, this arrangement is not for his son's sake but to satisfy Kozawa's own desires… He forcefully acknowledges the relationship between his son and Rio, and forbids any premarital interactions until their wedding a year later. Then, one year later, after the son fails on his first night, Kozawa orders him on a five-day business trip. With Rio finally alone, Kozawa starts the training plan he has long awaited…
