There is a “Truth Examination Hall” that ordinary people cannot perceive. All supernatural phenomena, mysterious events, and ancient seals are, in essence, “examinations.” Only those who pass can gain the corresponding abilities or maintain the world's balance. The protagonist, Chen Fan, is a high school senior ranked near the bottom of his class and considered a hopeless student by everyone. His only hobby is doing practice problems, because it's the only time he can find peace of mind. After giving up on himself, Chen Fan accidentally binds himself to the Truth Study System. Follow Chen Fan as he saves the world.
