The Poor Man in the Apocalypse Only Relies on O Yuan to Stock up on Goods

There is no cp, the four protagonists are all fateful friends. Whether you can survive in the last days depends first on fate, secondly on luck, and thirdly on ability. The end of the world, locust plagues, famine, floods, extreme cold, drought, ancient viruses, microorganisms... Perhaps life is more suicidal than death. In the end of the world, thieves commit evil and countless people die here.