Kaori, a therapist at a high-end men's esthetic shop. - Customer service, treatment, and appearance are all at the highest level ..., but when she has a customer she likes, she uses sex appeal and seduces her with sweet words, "Make me feel good!" - And the request is a perverted masochist's cruel begging to hurt herself! Contrary to his neat appearance, a man responds violently with spanking and deep throating to a therapist with a de M propensity! - Kaori, who has become a female beast in a large with toys, restraints, and anything, climaxes with an ecstatic expression every time she is hurt!