Introduction: An Kai wakes up and travels to the doomsday world. Zombies are rampant here, there is a nuclear explosion crisis, and in the near future, there will be a weather crisis. As a young man in society, An Kai does not have any survival skills, but he has a super survival system that can even be upgraded according to his situation. Search, manufacture, build bases, upgrade shelters… With the system, not only can he survive, he can also live a good life....