After Earth Collapsed, I Kept All of Humanity as Livestock

Ye Jinghong never expected that the Earth-destruction game he designed would one day become reality. Everyone entered the Floating Island Era, and each person received an island of their own. People would fight to the death for a mouthful of water or a slice of bread. By chance, Ye Jinghong got a sign-in System. Signing in at a supermarket got him instant noodles; signing in at a dry well got him a well full of water; signing in beneath a tree got him a sapling~

At the same time, Ye Jinghong relied on his understanding of the rules of this broken world to rise rapidly, expand his power, and forge an imperial legend. His mighty armies held the four seas at bay, while he ruled the world from his throne!