JUQ-323: For five days in the absence of my husband, I was ordered to abstain until the first night, and I was trained both physically and mentally by my sexually powerful father-in-law. An unwanted political marriage, my father-in-law's aim was me ... Sora Amakawa

When he became the president of the university, he was stunned by his son's lack of ambition. - If she gets married, it will change, so she forcibly makes the professor, Oshima's niece, Sora, an arranged partner. In fact, it was none other than Oru who was aiming at her. He pretended to be a strict father and forbade the two of them to have premarital sex until marriage. One year later, when Tooru sends Gaku on a five-day business trip, he puts into action the training plan for Sora that he has been warming up for a long time.