Two female college students, Urara and Mari, came to a hot spring inn deep in the mountains on their graduation trip.However, this trip was a love-hate madness swirling graduation trip carefully prepared by her best friend "Mari" and her co-workers who were crazy with her jealousy.A frontier land with no escape from the outside world... "Urara" where men who are hungry for women's bodies get fucked in a mess.Being addicted to her best friend's trap, exposure, restraint, bondage, bath urine, ring, bukkake... Urara is forced to do all sorts of perverted play, and before she knows it, she has fallen into a meat urinal woman who surrenders herself only to pleasure. there were….