Ozawa, the chairman of a company, worries that his unbridled son has no sign of marriage, and plans an arranged marriage between his son, Rio, the daughter of a business partner. However, this matchmaking is not for my son, but for my own desires ... Ozawa forcibly admitted to dating his son and forbade any premarital sex until the wedding day one year later. And one year later, Ozawa ordered his son, whose first night was a failure, to a five-day business trip, and Ozawa, who was alone with Rio and his long-awaited partner, started the training plan that he had been waiting for for a long time.