Mariko, a natural-born electric masseuse, experiences her first electric massage session. With no interest in studying, she becomes intensely eager to try it after hearing her friend Juriko boast about making her private tutor climax using an electric massager. When the tutor attempts to start the lesson, Mariko kicks him down and takes control, unleashing her innate talent. Fully enjoying herself, Mariko plunges the tutor into a pleasure-filled electric massage hell, dominating and tormenting him without mercy. The main feature includes facial exposure, delivering an even more intense and immersive experience.