After the Extreme Cold, I Awakened My Powers

The end of the world is coming, and various natural disasters occur one after another. Then the power disappears, food is scarce, and human lives are like grass. With the advent of extreme cold, all animals and plants slowly began to mutate, and various dead people appeared again, but they were no longer human. But Chen Yu was reborn, one month before the end of the world, and he swore that he would take back all his past grievances. Not the Holy Mother, decisive killing, system space, hoarding supplies, rebirth in the doomsday