Located in a quiet residential neighborhood, a clinic is run as a family business by three sisters. Yuko, Yukari, and Ayaka spend their days treating male patients who lacked sufficient affection during childhood. Through care provided by their large breasts, soft rounded bellies, and warm, moist wombs, the patients gradually regain their vitality. One day, Takashi, a former patient, returns. Having successfully reintegrated into society, he reaches out to the three sisters for one final treatment. Seeing him, the sisters warmly welcome him and begin their healing once more.