What, It's the End of the World

In her previous life, Xu Jingchun suffered from cancer in middle age, her relatives died young, and her husband cheated on her and ran away. When she was lying on the hospital bed and dying, her mortal enemy Chen Guan traveled around to save her life and stayed by her side until the end. Reborn, she decided to change her life, stay away from the scumbag, and take good care of her health. Unexpectedly, three days after rebirth, the world would end! Mutated plants, terrifying zombies, frequent hallucinations, disappearing Chen Guan... What is the truth of the doomsday... Main text be, extra he