Wake Up Deadman

Wake Up Deadman is a Korean manhwa written and illustrated by KIM Yong-Hwan.

Plot
Saving the girl of his dreams, by sacrificing himself Sahu pushes the girl he loves out of the way of on coming traffic and is killed. But Sahu has a second chance to life, and to tell the girl he loves how he feels but he has to do all that as a zombie. And now he's trying to survive in a stone jungle, believing that one day he will sing for the world.