The End of the World: Build an Underground Castle at the Beginning

Jiang Chenyuan was reborn from the apocalypse three months ago. When he knew what would happen next, he used all the resources at hand to prepare for future disasters. First, hoard a large amount of food, then purchase various survival supplies and materials, and then, with the help of the system, complete the shelter to prepare for emergencies. After the end of the world came, everyone discovered that while they were working hard to survive, Jiang Chenyuan could play computer games leisurely. While they were cuddling with each other to keep warm, Jiang Chenyuan took out the air conditioner remote control...