Two female college students, Urara and Mari, come to a hot spring inn deep in the mountains rich in nature on their graduation trip. - However, this trip was a crazy graduation trip filled with love and hate, carefully prepared by her jealous best friend Mari and her collaborators. - In a remote area cut off from the outside world with no escape... "Urara" is brutally raped by men hungry for female bodies. - ``Urara'' falls into her best friend's trap and is forced to engage in all kinds of kinky play such as exposure, restraint, bondage, bath urine, ring sex, bukkake... Before she knows it, she has fallen into a meat urinal woman who surrenders only to pleasure. - ….