A plain young couple visits a certain hot spring inn. Their plan to relax during the trip was forcibly changed by the innkeepers. Raped in the hot spring, gang-raped in the room, and brutally violated in front of her husband. Penises other than her husband's, sex without love... It should be unpleasant, but her body responds lewdly. Her hidden desire to be defiled is exposed, and she surrenders herself to deep pleasure...
