The story takes place mainly in District Five. Once the third most important mechanical city among the thirteen districts, it was secretly affected by the aftermath of the Disintegration Flame War. Strange illnesses began to appear, then spread rapidly. Tens of thousands died in just one month, and District Five was cut off from the outside world. Ji Lu, a top student about to enter his senior year of high school, was infected with the Crystal Vein Disease ravaging the district. After he “died and came back to life,” the structure of his brain was enhanced. In his eyes, humans became strange containers of liquid and piles of data...
