In a dark empty building, Kiriko is being sexually tormented by three students calling themselves Alpha, Bubble, and Jack. They have injected themselves with a powerful sexual stimulant, and they're prepared for a long night of sexual depravity. She is tied up, and her legs are spread wide open. First, she is manually molested by all three. They say that she will have to cry out in ecstasy, and surrender her body to the various sexual intrusions, before they will stop. Can she maintain her will, or will she give in and plunge head first into the world of lust and carnal delirium....