Sword Fighting Machine: Glimmer Falling City

This is a light novel full of steampunk style. The male protagonist Xu Xian is a doctor in the 7th District who protects all living beings at the bottom. Bai Suzhen is a battle robot that has awakened from the old world and acts as a hero. In this world view, after the great collapse of human civilization, only the "City of Eternal Mist - Lin'an City", an isolated steel and mechanical city, is left. The three gods merge into the center to control everything with cold rules. "Restart" erases memory, and the concept of "human superiority" erodes human nature. The people at the bottom try their best to survive by holding on to their memories, but the middle-level people exploit the rules to make profits. The story will slowly unfold following the various things the protagonist encounters in the hospital...