I! the First Dog in the Apocalypse

On March 28, 2122, a burst of red blood rain fell all over the world. In an instant, all countries around the world discovered that everyone who had been exposed to the blood rain turned into unconscious zombies. And me! Zhang Sanqiang! He traveled back from the future and determined to be the number one thief in the apocalypse! Are you good at fighting? Knowing how to spank is of no use! Survival is the last word! Even if the outside world is destroyed, I will never go out. I have to survive!