Two close female college students, 'Ichika' and 'Ruru,' came to a quiet hot spring in the mountains for their graduation trip... However, this trip itself was a trap set by Ichika's jealous friend 'Ruru.' Ruru, who had her beloved man taken away, asked the perverts at the inn for help, arranging aphrodisiacs, gang rape, restraints, humiliation play... and various forms of perverted training.
