The T virus ravaged the entire world in a short period of time. Only 10% of the 7 billion population had immunity. More than 300 million people died from the chaos caused by the virus. Only 400 million humans survived on the 510 million square kilometers of the earth. In addition, there were countless zombies and virus-infected and mutated creatures on land, sea, and air. They were hunting the remaining humans all the time...
The food crisis forces the surviving humans to open up wasteland and cultivate land to save themselves. The squares with neon lights in the past are now flourishing with crops, and the buildings that were once crowded with people are now pig stables. There is no noise and pollution, no nine-to-five and Sunday. When you have nothing to do, you can go to the ruins to find valuable treasures, and when you are bored, you can chat with your friends...