The World Is Like a Prison: a Hundred Ghosts Walk at Night

In this modern urban world, evil ghosts are quietly coming back to life, the rules of the real world are constantly being eroded by supernatural forces, the world is like a prison, and disasters are everywhere. Fierce ghosts are not the resentment of dead souls, but the concrete existence of a set of cold, objective supernatural rules. They have no good or evil and only follow their own fixed killing logic. Ghosts cannot be killed, only ghosts can deal with them. In fact, this has been a rumor for who knows how many years. If humans will evolve to improve their own shortcomings, what about ghosts?