The president of the university, Toru, was thoroughly exasperated by his son Gaku's lack of ambition. Hoping that marriage might change him, he forcibly arranged for Professor Oshima's niece, Sora, to be Gaku's match. However, it was Toru himself who had been targeting her. He acted as a strict father and forbade the two from any premarital relations. One year later, Toru sent Gaku on a five-day business trip and put his long-planned scheme to 'train' Sora into action...
