Des：Oshima is the managing director of a large company and is worried about his son who doesnt want to work. He thinks things would change if she had a boyfriend, so he arranges a marriage to Yu, the daughter of a subcontracting company manager. However, Oshima took advantage of the situation and decided to keep his favorite Yuu with him and let him be his own. In order to prevent her son from coming into contact with Yuu, she banned premarital sex one year before her wedding. Then, the next year, I sent my son on a business trip for five days, unable to handle my sensitive body due to the days of abstinence, and started training alone...