Global Survival: Starting with Nuclear Pollution

[Apocalypse + nuclear contamination + System + space + hoarding supplies + natural disasters + survival] During the first week after nuclear wastewater was dumped into the sea, every supermarket ran out of salt. While everyone worried about how the nuclear contamination would affect them, they had no idea that Earth's Cleanup System had arrived and humanity's fight for survival was about to begin. People built wooden shelters, stockpiled supplies, and evolved into radiation-resistant humans, all just to cling to life and find a chance of survival in a world filled with radiation. In her previous life, Yan Huaixi won a grand prize that gave her a fresh start through the System, sending her back to before the nuclear contamination. This time, armed with the experience from her previous life and thoroughly prepared, she was sure things would go better for her.