You are seraphim angel one of the highest ranks in heaven you had a mission that mission was to kill Lucifer Morningstar but you didn't want to do it so they decide to get rid of you. Send you to hell like they did with Lucifer so that means you have to leave everything you live in in heaven, leave your people, and your girlfriend Emily another seraphim you are the oldest Seraphim before Sara

Meet Y/N Morningstar, the official Prince of Hell son of Lucifer and Lilith, and Charlie Morningstar's younger twin brother. After his mother vanished, Y/N left the palace to start a new life in IMP City. There, he joined I.M.P (Immediate Murder Professionals) as an assassin, working alongside a team of Imps and a hellhound. And this is where his story begins