Global Mutation: I Evolve by Devouring the Demon King

As her girlfriend grows distant and old friends place him in danger, Lin Yan unexpectedly awakens a zombie evolution system in his direst hour. By constantly devouring and training, he steadily progresses from a low-tier form, meeting partner Liu Ruyan and joining base member Su Qingxue to form a reliable survival team. With his strength continuously improving, he gradually uncovers the long-buried past connections of the world.