My Days Working at the Escort Agency as a Demon Lord

Twenty years after his defeat, the once-feared Demon Lord hides in plain sight—working at a humble escort agency. While the four races frantically search for both him and his legendary Demon Sword, he's just trying to survive his day job. Now, with conflict brewing between humans, ghosts, immortals, and demons, the escort agency business is booming. When a mysterious young man arrives seeking his origins, the Demon Lord's carefully constructed cover begins to crack. Can the greatest villain of the age keep his identity secret while delivering packages?