I was forced in to be celibate until my wedding night… by father-in-law who is a sexual predator – Nao Jinguji

Original title: 夫不在の5日間、初夜まで禁欲を命じられた私は性豪義父に身も心も調教されてしまった―。 望まない政略結婚、義父の狙いはワタシでした…。 神宮寺ナオ

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…