Doomsday: I'm Saved by Spoilers

The young man Chen Chao was reborn before the end. Chen Chao was ordered to do so at the critical moment. A year later, the end came as promised. All countries in the world collapsed, and only the Xia Kingdom, which was prepared, stood at a critical moment. The young man gave the order—— "Those who offend China will be punished no matter how far away they are!"