There is a "truth examination room" in the world that ordinary people cannot detect - all supernatural phenomena, mysterious events, and ancient seals are essentially "examinations." Only those who pass the "examination" can obtain the corresponding abilities or maintain the balance of the world. The protagonist, Chen Fan, is a senior in high school, ranked at the bottom of his grade, and is regarded by everyone as a "scumbag". His only hobby is answering questions - because only when doing questions can he gain inner peace. Because of giving up on himself, Chen Fan accidentally bound to the truth learning system. See how Chen Fan saves the world.
