Before Returning to the Natural Disaster, I Spent Money to Short the World

In his previous life, he struggled for ten years in the apocalypse of acid rain, extreme cold, insect plagues, and alien beast invasions and died tragically. Shen Lian was reborn 99 days before the natural disaster, bound to the Doomsday Fortress system, started a global purchasing spree, and built an absolutely safe house. When the natural disaster strikes as expected, and as the survivors wail in the ruins, his hilltop fortress lights up, becoming a beacon of order in the new world.