Equipped with a penis-shaped attachment, the vibrator is inserted and secured—what happens when three women are subjected to non-stop, randomly timed stimulation for a full hour? Watch as they lose control and spiral into ecstasy. "Mai," a seductive neighbor with sheer, natural big tits who teases with her bold attitude. "Riko," a sensitive, busty orgasm junkie who describes the vibrator as "erotic torture." "Ibu," who appears prim and proper but, once plunged into the hell of continuous climax, reveals her shamelessly lewd true nature. A powerful fusion of three unique female charms pushed to the limit.