Under the Societal Resources Restoration Law, students who fail to advance are forced into sexual servitude as rewards for top-performing students. Niimi Ryouta, the school's highest achiever, is stunned to discover that his assigned "equipment" is Shichijo Reika, a former prodigy and his long-time idol. As Niimi grapples with the reality of her new status, Shichijo fully embraces her role as his servant, leading to a complex relationship of power and submission.