26-year-old office worker Yoshioka Mimi is lured to a certain beauty salon by the "free trial course." At first, she relaxes both body and mind with a normal beauty treatment, but gradually the female beautician's fingers reach into Mimi's sensitive parts, and the treatment moves into a devilish erotic treatment. "You're getting wet, aren't you? Don't hold back, you can make noise." She is restrained and subjected to aphrodisiac oil, electric massagers, and a variety of obscene treatments, and orgasms over and over again until she goes half-insane, her body becoming lewd...
