The End of the World: the Delicate Messenger from the Underworld Actually Beats the Zombie King

[Sand Sculpture] [System This book is also titled "On the matter of becoming a migrant worker in the underworld after traveling through time, but having to help the people in the underworld avoid their extinction and then being hunted down by the zombie king" Gu Gugu traveled through time, but during the time travel, the idiot system made the wrong location - he came to the underworld. Then, it set the wrong time - before the end of the world. Gu Gugu, the big grudge: ...? As a result, Gu Gugu was forced to work in the underworld diligently, cautiously, and law-abidingly, until the idiot system came online again and took out a "Golden Finger Turntable" At the same time, disasters "treat everyone equally", and the underworld is also miserable The souls are stranded in the world, help us! Pluto said that his hair was in danger, so he made a decision! Go, Gu Gugu! Go save that horde of stupid humans up there! Gu Gugu, who has worked hard for more than ten years and finally reached the position of Pluto's secretary, below one person and above ten thousand people:...? Surprisingly, the identity of "Man from the Underworld" is very easy to use. Need some information? Ask the ghost for help! Need to monitor a certain group of humans? Get someone to do "invisible surveillance"! Need ghosts to scare humans? That would be easier to do! The various uses of ghosts are all imaginable and impossible! The zombies next door are crying! Note: The main plot is zombies, and the proportion of souls is not high. Main story: humans, zombies, underworld, system (The arrangement is the "ranking" of the number of plots) There is no thriller content in this book, please feel free to read it Darlings, please promise me not to raise books (holding flowers)