The doomsday ruthless man: hoarding trillions of supplies at the beginning

The earth is affected by unknown energy, the core expands, and natural disasters and doomsday come. Extreme heat, earthquakes, volcanic eruptions, floods, severe cold... natural and man-made disasters come one after another! Su Chen struggled through the apocalypse and finally entered the safe zone, but was betrayed by his girlfriend in the end! Reborn and returned to one month before the end. This time, I only live for myself!