## World view setting
**Time setting**: In the near future world, the earth encounters the mysterious celestial phenomenon "The Ending Moment", and all human beings are trapped in a survival game of ten-day reincarnation.
**Location setting**: The ruins of the city "City of the End" after the mutation, including ten dangerous areas. The real world overlaps with the game space, and there are quantum state buildings.
**Basic background**: Human beings are selected by unknown entities to participate in the survival game, and the reincarnation is reset every ten days. Participants gain superpowers by collecting "final fragments" with the ultimate goal of solving the doomsday puzzle.
