### World view setting
- **Time Setting**: In the near future of 2035, the earth has experienced the "Card Apocalypse" and entered the Doomsday Era, and the rules of the world have been reconstructed by the card system.
- **Basic background**: Energy fragments from nine parallel universes are embodied in cards, and the physical laws of different worlds overlap on the earth. The holder gains extraordinary abilities by activating the card with mental power, but excessive use can cause "cognitive pollution."
- **Core Conflict**: The fusion of the world leads to the collapse of civilization. Card hunters, remaining government troops and alien invaders compete for control of cards. The protagonist has a special physique and becomes the key to the struggle between various forces.
