[Reducing Mosaic]JUR-169 "No experience in the sex industry" my fiancée said, but her technique is so good that I'm constantly suspicious and paranoid. Fumino Satsuki.

Fumi, the eldest son of the 150 -year -old sake brewing, Yuu.To get married to a venerable famous family, you need to be recognized by a strict father.The neat and angel -like smile, the Fumi, should be the ideal bride ...In fact, he had another face called Karen -chan, a legendary sex lady for three consecutive years.A real figure that must never be bald.Appeal the idea of ​​chastity and irritate without SEX until you get married.However, for many years, the strongest Karen -chan (Fumi no) is unaware of 'terrible tech'.Yuu begins to suspect Fumi.And his father also asked a detective to investigate Fumi's body.What happens??