If You Are More Cautious in the Last Days, Why Don't You Call Me Laoliu?

[Not a cool novel, no system, no superpowers, just a hardcore zombie apocalypse. [Zombies] [Survival] [Apocalypse] [No powers] [No system] [No heroine] When the first walking corpse appeared on the street corner, no one realized that the world had changed. People thought that the army would come and that the disaster would soon pass. They are all waiting, becoming selfish, and doing whatever it takes to survive. Mo Xu has no rebirth, no gold finger, no space ring, and no system notification sound. He is just an ordinary person. The only thing that is a little more than others is that he is timid and cautious in his bones. This is the process of a person or a team becoming dull, numb, and silent in a slow and long collapse, but still not putting down the knife in their hands.