Rebirth in the end times: The boss starts by hoarding supplies

[End of the world, extreme heat, stockpiling supplies, decisive killing]
The horrific apocalypse suddenly strikes, but this apocalypse has no zombies, nor is it a meteorite hitting the earth, but a sudden change in climate and countless dangerous and strange creatures.
After unexpectedly receiving inheritance, Jiang Ran returned to five days before the end of the world. She frantically stockpiled supplies and began a turbulent life.

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