This story has no connection to reality.
Reborn, no saintly do-gooding, no System, building a base, with a female lead,
A virus caused by nuclear-contaminated water mutates, turning 70 percent of the world's population into zombies! Huang Wei and his companions survive the virus, only for a meteorite to crash into Blue Star, reducing the population once again. Cities rapidly fall into ruin, and supplies grow even scarcer. Huang Wei has only one conviction: to stay alive. But in the end, he still cannot escape the natural disaster. After being reborn, he finds his former teammates and builds a refuge in the mountains.
It's okay. This is a country dog breed. It's better to raise local dogs. They are the main breed for guarding homes and nursing homes.