Few people realize that within the caregiving profession, there exists a specialized role dedicated to penis sucking. This film features Mayu, a big-breasted, petite (149cm tall, 100cm bust) caregiver who actively engages in oral sex work to satisfy clients' sexual desires. Depicting her challenging duties as a blowjob specialist, the story follows her providing individual home visits, tending to patients' underwear, caring for hospitalized individuals, and even undergoing cumshot training at a pink salon. Abundant creampie scenes and titty fuck sequences are naturally included. A compelling portrayal of her daily work life, revealing both hidden charm and strong personality.