After I Became the Underworld, Global Terror Descended!

Underworld Recruitment Announcement: The local government is currently recruiting a Yin Division officer who must meet the following conditions. Only male, height above 175cm, age 18+, Born in the Yanxia Kingdom, there is no academic qualification requirement. Salary: Basic salary of 10,000 yuan + commission, food and accommodation included, on-staff staff in the underworld, fast promotion channels. Job content: maintain daily order in the underworld, go to the upper world to capture ghosts and suppress them, and check whether there are any loopholes in the "Book of Life and Death". Work address: traveling between the Yang world and the underworld. Contact information: No. 444, Yinren Lane, enter the door and turn left. ... When Jiang Fan saw this recruitment notice, he was looking for a monthly salary of 10,000 yuan. I didn't expect that the entire underworld was given to me. What's going on? I'm here to be the undercover, I didn't say I wanted to be the boss...