Quickly Travel Back to the Days When I Worked for the Underworld

[No CP + short chapters in each world] Every ghost can have a chance to start over again. Yan Ning's duty is to eliminate the obsession of the ghosts in the underworld and let them die. They can be a woman who was trafficked, an old woman who was accidentally killed, an unknown old housekeeper, a person whose body was taken away by a mission person who came with the system... (This is my first time writing, thank you all for taking the time to read my novel (˵¯͒¯͒˵))