In 2046, the world has changed - not for the better, but more difficult to manage.
With the popularity of cyber sacrifice, the underworld has encountered the worst merit deflation in history. People no longer burn paper, but scan the QR code to pray with one click and make offerings in the cloud. Incense has turned into data packets, but data packets cannot feed the old gods. The bank of the underworld has a mountain of bad debts, and the provident fund of the Lord of Hell is about to run out, so the gods have to go down to earth to work in batches to pay off the debts.
At the same time, the extreme internal friction of modern society has produced a new type of pollutant - "spiritual entropy" (anxiety, anger, workplace PUA, sense of meaningless early morning struggle), which condenses into semi-solid negative energy parasites, commonly known as "negative energy bodies" (modern ghosts). These ghosts don't eat people, they only eat people's quality of life. They are professional and efficient.
In order to solve the fairy employment crisis and maintain interdimensional order, the "Urban Negentropy Bureau (UNB)" was launched in a low-key manner. The headquarters is located in the backyard of a defunct foot massage shop in Shanghai. Its slogan is: "Get rid of ghosts and restore humanity - or in other words, help patch this broken server called 'human world' to prevent it from going down."