Promotion in the Underworld

He accidentally came to the underworld and became a working ghost. Traveling around the jurisdiction every day and seeing the separation of life and death, being involved in endless conspiracies and getting into the immortal profession, being a ghost will make you tired to death. Occasionally return to the human world to catch the lingering ghosts. This story is purely fictitious and any similarity is purely coincidental. Some of the settings in this story are purely made up by me, just have fun reading it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.