Doomsday City Lord System

The end of the world comes without warning, and the home of mankind is destroyed. Food and water are gradually dwindling, and we are facing the threat of zombies. Human civilization is in danger! At this time, Ye Heng emerged with the system, saved millions of human beings, walked out of the earth, and conquered the universe. This is my first time writing a novel. I hope you will support me a lot, thank you! ! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.