Reborn, I Am Hoarding Supplies in the Apocalypse

Zhang Yun survived for ten years in the apocalypse, and eventually starved to death in a corner of the world because he exchanged a pack of instant noodles for one billion assets. After his death, he unexpectedly returned to a month before the end of the world. Then he was surprised to find that the billions of assets he had purchased in his previous life were still there, so he came up with the idea of ​​using the money to hoard supplies in order to survive the end of the world...