Doomsday Rebirth: From the Start, I Stockpile a Billion's Worth of Food

Apocalypse + rebirth + ruthless action + revenge + stockpiling supplies Chen Chuan dies in the apocalypse after being betrayed by his teammates. When he wakes, he's been reborn seven days before the apocalypse. He still has the spatial ring he acquired in his previous life, with a huge capacity of one hundred cubic meters. Chen Chuan decides to spend every last cent he has: take out loans, borrow from loan sharks, sell the stocks his parents left behind, and happily blow through a billion in seven days to stockpile food. After doomsday arrives, everyone else is fretting about food and drink. But Chen Chuan lounges on his genuine-leather sofa, feasting on lavish meals and chatting merrily every day...