Nozomi, a beautiful nurse working at a general hospital, is suddenly assigned a special duty by the hospital director one day—to manage patients' sexual desires. Though initially hesitant, her earnest and service-oriented nature leads her to take on the task. Assisting patients with their erections in hospital rooms, she becomes captivated by the unique sensations: the texture of semen rolling in her mouth, the feel of it sliding down her throat when she swallows. Gradually, these sensations draw her awareness toward unexpected desires.