Don’t Fear Ghosts Knocking at Midnight

Not Afraid of Ghosts Knocking at Midnight (also known as The Ghost King Sent Me to Patrol the Mountain, Eighteen Levels of Hell Enforcement Officer, and Diary of a Yin Soldier’s Business Trip): In the year XXX AD, conflict between the underworld and the human world surged, and relations between the two sides rapidly deteriorated. Some of the top scientists and secret organizations in human society began capturing large numbers of ghosts for research, using advanced high-tech technology. The underworld faced unprecedented challenges. The number of evil ghosts in the Eighteen Levels of Hell rose sharply, and the system teetered on the brink of collapse under the strain of overwork. To ease the pressure on the underworld and prevent further interference from humans, the underworld decided to send thousands of yin soldiers into the human world to enforce the law...