Levi, a sixteen-year-old man who was hungry and struggling on the edge of survival, was possessed by the genius mage Lezad, one of the twelve divine generals more than a thousand years ago, in an unexpected ceremony. At first, Lezard found that the other party was more useless than he thought, but it turned out that he was wrong... Levi, who became a magician, originally wanted to save the world, but slowly found that dominating the world was more meaningful...