People Are in the End of the World, Start with a Nano-Mecha

The protagonist Lin Fan travels to a doomsday world, where a terrifying virus suddenly breaks out all over the world. After humans are infected, they will turn into zombies and constantly attack other people. In just one month, only 5% of humanity was left hiding in the Arctic to survive. Please collect it! Please give me flowers, please repost! Dear gentlemen! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.