A professional and elegant beauty parlor specializing in high-class massage services for male clients. Although the establishment strictly prohibits sexual services, the shop's top performer, Kamimura Satsuki, harbors a secret desire. When her maternal instincts are triggered by a client's reactions, she becomes overwhelmed with the urge to passionately French kiss him. Desperate to keep her urges hidden from headquarters—where discovery would mean immediate termination—her intense longing remains a closely guarded secret.