Ozawa, the chairman of a large company, was 27 and was worried about his work and the virgin son of the window group.One day, she plans an arranged marriage meeting, thinking that it might change if her son gets married.When he introduces several women of a prestigious family, he is a son who likes the daughter of a business partner, Sumire.However, Ozawa also plans to make Sumire his own.Ozawa half forcibly admits a relationship with her son and forbids premarital sex until marriage.One year after dating to corner the libido of Jiwiwa and Sumire, carry out the plan with her son's business trip as a period.