Extreme cold is coming, power outages are happening around the world, and cities are freezing. In his previous life, Lu Chen guarded a room full of supplies, but he was tricked into opening the door by his so-called neighbors and relatives, and finally froze to death on a snowy night. He was reborn thirty days before the end of the world. This time, he didn't believe anyone. Sell your house, cash out, stock up on goods, renovate the underground civil defense layer, and build your own doomsday dungeon in advance.
