The end of the world breaks out, all mankind dies, and I am the only one left. I thought I was the chosen one, but later I discovered that I was the one who killed humans. And I'm restarting it all. Chen Mo's brain digested it for three seconds. He is in operation and maintenance, and he understands codes, algorithms, and logical paradoxes. He understood what this meant - this was not a virus, not an alien creature, it was a problem with the code written by humans themselves. One line of code wiped out all mankind.