The Demon King and I Turned the Demon World into a Game

Disaster on the fourth day A normal protagonist would have a deserted territory, You will encounter an unknown system, There will be a system to package the alien world into a game. But I'm sorry, Lu Lang is the abnormal protagonist, He is the devil's system, He wants to help the Demon King turn the Demon World into a game...! Lu Lang: We can't kill all those underground demon spiders! It should be left for players to fight monsters! Purpose: Only by continuous self-improvement can we live a better life