Doomsday System: I Declare War on the World

Five years after the zombie virus broke out, the apocalyptic city turned into hell. Lin Ye and his sister struggled to survive in the ruins. After untold hardships, they finally reached the separation wall, but were met with ruthless gunfire from the military. "You must not leave the city of doomsday." There was a gunshot and the sister fell in a pool of blood. In despair, a mysterious system arrives—— "Should we activate the doomsday system and declare war on the entire world?" Lin Ye chose to accept it and became an avenger from then on. Control zombies, form a force, uncover the military conspiracy, and declare to the world: This doomsday will be ended by me