5 years after getting married, Yuko shiraki a happy life with her husband. However, 2 years later, their sex life became blurry, and they both felt no longer interested in sex. To make sex more novel and exciting, Yuko's husband came up with a plan that was to let his wife dress revealingly when receiving the goods, so that the delivery person could not bear it and had sex with his wife. And the husband sneaked behind to film the scene of his wife having sex with another man and then fighting.