Apocalyptic Rainstorm: 80,000 Hours of Extreme Survival

[A post-apocalyptic article with no space, no powers, and no system. The average person's guide to surviving. The eruption of Mount Fuji caused a protracted global heavy rain. People didn't know when the rain would stop. It just kept falling. Zhou Li'an is an ordinary little policeman. She relies on the supplies she won in the supermarket before the end of the world to survive... Purpose: Survive in the apocalypse