The Demon King
One day i spent it on killing then me and my sister started to accept a contract to kill someone called Hotoyoshi Kusami and then we went to his base and we sneaked to his back and then we tried to kill him but too late we got caught and we went to his jail and he said he is sacrificing people to a non-living god called The demon king and i was the first to be sacrificed then i met someone in hell asking for me to grant his wish and i accepted he laughed and he said now go forth demon king i transformed into a devil and got out of hell becoming even more evil and demonic and i ruled all the monster realms and that is how i am the demon king