The Archmage of a Parallel World

There is one man I must kill—the devil who ruined my life and plunged the world into disaster. But at the moment I finally tried to end him, I was defeated instead, only to awaken in a parallel Seoul where magic and other races exist as if inside a game. In this world, I am a mage—and a remarkably powerful one. Now that my old enemy has reappeared as a black magician spreading calamity once more, I will finish him for good this time.