In this world, there are individuals known as "Minimum Holders" who possess the ability to perform specific "small miracles." An elite academy, funded by the government, trains these Minimum Holders to help them reach their maximum potential and serve national interests. At one point, a student named Nice, who showed great potential, dropped out. He formed a private investigator team with an assistant named Hajime and appeared content solving cases for his clients (which frequently involve Minimum Holders). Murasaki, a top student at the academy, has been assigned the task of bringing Nice back. Murasaki bristles at the assertion that Nice possesses greater potential than he does, but he eventually becomes involved in Nice's detective activities...