Meeting with Death

(Y/N) (L/N) lives a pretty boring life and wants to aspire to something greater, until he is killed by a fallen angel. When he wakes up he finds himself under the servitude of the Gremory Devil family. Unbeknownst to him he possesses the soul of the most powerful entity known to the world. Will he embrace his destiny as King of the Monsters. Only one way to find out, so hold on to your butts.