One Punch Man: The Necromancer

When you live in a world full of heroes and mysterious beings, you tend to be atleast a little bit "Special". But it might be quite difficult to call someone like the Necromancer special, for he's much more than that. But as it stands, no one knows him. He lives in the shadows, collecting corpses and killing monsters left and right. However, it seemed that Humanity couldn't protect itself forever. Just because of a certain bald man who plays hero for fun, the Necromancer might not be able to live in secrecy for any longer.