A blood-red countdown hangs above the heads of every senior high school student—the college entrance examination will be held in seven days. No one knows that when the clock strikes midnight, the entire city will become a hunting ground for the "ghost mother". The monster that devours the candidates' sanity in nightmares every night has killed seventeen people in a row. Until the first day when Gu Tingyun transferred to another school, he stared at his newly written name on the blackboard, looked out the window at the blood-red fog rising from the teaching building, and laughed softly: "It turns out that this is a hardcore copy." The next second, his roommates were horrified to find that the most ferocious nightmare-level monster in the city was trembling in front of Gu Tingyun. Gu Tingyun, who was forced to wear a [rule suppression] collar, shrugged and said to the ghost mother who was beaten back: "Sorry, in my examination room - you are the examinee." The roommates knelt down all night and begged the boss to help them win, but they didn't know that this new classmate's collar also hid a trump card to capture the gods.
