Two female college students, 'Yui' and 'Sana,' came to a hot spring in the mountains for their graduation trip... However, this trip itself was a trap set by a friend driven mad with jealousy... 'Sana,' jealous of having her beloved man taken away, brought them to an inn where perverts gather... There, 'Sana' asked the men for help... and plotted to humiliate 'Yui'... Various humiliation plays performed in front of her friend.
