Traveling Through the Beast World at the End of the World, I Just Want to Retire

Mu Xiaoxiao has been running around in the apocalypse for thirty years. He was kidnapped by morality and killed everyone. No one could survive. He accidentally traveled to the beast world in the apocalypse. He just wanted to take care of his old age, but he had to get up to improve his life, find food, farm, and build houses. It was really difficult to sleep peacefully. Fortunately, there is someone with me in this life...