Known as "Majeh" (lit. Demon Emperor) in Korea, King of Hell
is about Majeh, a legendary swordsman, one of many whose skill was so great that his soul was deemed unable to be judged by normal means, and so was condemned to spend the afterlife in a special limbo for eternity.
Then he defeated all the others.
Now he's been put to work by the bad-tempered King of Hell to do the chores of the afterlife.
First working as an envoy to the spirit world, Majeh is soon returned to the land of the living to hunt down the monsters and souls of evil warriors who have escaped from Hell.
Or not, as things start getting increasingly complicated and it turns out all those people he randomly joined up with have more at stake than originally revealed. Not to mention, there are hints of a dark conspiracy against the King of Hell himself and there are plenty of plotters in the human world willing to make things much more complicated than originally Majeh thought it would be...
This comic provides examples of: