Mai Usami experiences unimaginable ecstasy as she discovers the pleasure of a vibrator for the first time. Under the influence of aphrodisiacs, her rationality fades away as she's overwhelmed by massive stimulation, restrained with bondage toys and choked around the neck, driving her toward ultimate climax. More sensitive than ever, she can't withstand the intense pleasure, rolling her eyes back and fainting from sheer orgasmic overload. Her instincts run wild—crazed and aroused like an out-of-control female dog, she reaches climax after climax in a state of absolute, unprecedented pleasure.