The chairman of a well-known company, Tabuchi, is troubled by his virgin son approaching 30 years of age.  Thinking that marriage is what he needs, Tabuchi uses his power to arrange a marriage with the daughter of a general manager: Jingujji Nao.  But the truth is that Tabuchi wants Nao too.  And so, Tabuchi, posing as a strict father, forbids them to have premarital sex. Sending the son on a five-day business trip, where he executes his plan and puts Nao’s godly hips to good use…