One ordinary classroom in a typical high school. But this class has a strange, unique atmosphere. The female students make the male students wear devices on their genitals, controlling their ejaculation and forcing them into complete obedience—no climax allowed without permission. Into this environment transfers a boy who knows nothing about the system. At first, he resists, but once the device is attached, strict control becomes unavoidable. As he grows more obedient, he begins to earn their approval—and rewards. And those rewards are...