Back to before the end of the world, I stockpiled guns, food, and supplies

Blizzards, high temperatures, droughts, acid rain, plagues, earthquakes, tsunamis, and extreme cold—one natural disaster after another—announce the arrival of the end of the world. Harvests are complete, social order collapses, and humanity struggles to survive in the cracks...
Jiang Ying, who had struggled to survive for three years in the apocalypse, died tragically because of a kind donation of a biscuit.
When he opened his eyes again, he found that he had returned to a month before the outbreak of the apocalypse. With the space in his hands in this life, Jiang Ying must rewrite the fate of being cannon fodder. Before everyone reacts, he starts the crazy stockpiling mode. Fruits, vegetables, clothes, medicines, and most importantly, weapons, all are collected. But he used too much force to collect a man. What happened?

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