Kasumi, a 22-year-old adult university student exhausted by job hunting, finds herself reacting intensely whenever the remote vibrator is switched on. The experiment begins in broad daylight on city streets before moving to an unfamiliar suburban area. As she sinks deeper into the pleasure, the eyes of passersby excite her more and more until she loses control and begs for kisses. Then a troublesome friend and an aphrodisiac enter the mix, leaving Kasumi in a dangerous predicament as the teasing escalates.