Lu Ming, a modern-day young man, travels to a world invaded by strange beasts where humans awaken supernatural abilities. He becomes bound to a Negative Emotions System that grants him card-draw points whenever he makes others experience negative emotions. He awakens an F-rank spatial ability, the Door, which initially can only open a tiny one-centimeter hole. Using outrageous tricks and shameless tactics, he makes a name for himself at school. He then starts a business refining medicines on the black market. During the final joint examination, he sets traps, steals tokens, and breaks through spatial barriers, ultimately claiming the championship. Later, he uses earth-vein cultivation to help Le Muxian overcome her tribulation. In a rift zone, he encounters a god-level Dragon Lord, triggering the system's automatic activation of an SSS-rank Talent Trial Card and Random Door Fragments.