The Years I Was a Ghost Policeman

Why do ghosts from the underworld dance together in the square in the middle of the night? Why do the kings of hell sing in the middle of the night? Is it because their souls are twisted, or because they can't stand loneliness? You will ask me out of curiosity, how do you know so much about the underworld? Hahaha, because I am a policeman, of course not a policeman from the world of heaven, but from the underworld, Everyone knows about the police in the underworld, but do you want to know what the police in the underworld do? Let me tell you about the years I was a ghost policeman. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.