Apocalyptic Natural Disaster, I Stock up on Tens of Billions of Supplies

[Two male protagonists *cold*not the Virgin*1v1*cultivation*cool writing*doomsday background*] A sudden global natural disaster strikes Heavy rain and extreme cold have plunged the whole world into chaos. Resources are scarce, order has collapsed, and mankind is facing an unprecedented existential crisis. Yin Rong was reborn Back before the end of the world, he was hoarding supplies crazily with space in his hands A piece of purple jade accidentally obtained It actually opened a door that Yin Rong had never seen before. It turns out that his world is just a small sandbox Life or death depends entirely on the will of others Yin Rong relied on this unexpectedly opened door to get through all the obstacles. Finally arrived at this legendary upper world...