Neon is like blood, pouring into the gaps in the steel forest. Under the giant holographic billboard, there is a silent and crawling old city. Chen was still dragging his cheap mechanical right arm, and the gears made a thin friction sound in the humid air, like rusty fate. In the era of high martial arts, genetic medicine and neural connection technology created new humans in the clouds. They flew into the sky and escaped from the earth, as glorious as gods. Chen Huan, on the other hand, is just a repairman huddled at the end of the blood vessels in the city, dealing with abandoned and malfunctioning old-model prosthetics and equipment. Until one rainy night, he dug out a warm, slightly pulsating dark gold chip from a pile of scrapped mechanical debris. The moment the chip was embedded in the old interface on the wrist, the burning pain was like a soldering iron. What followed was a tsunami of unfamiliar combat data flow, and a cold name, "Dragon's Backbone". At the same time, someone in the floating palace at the top of the city opened his eyes. Underneath the calm quagmire, the undercurrent began to surge. Chen didn't know yet that the machine he had repaired was never a machine, but something that had been dormant for many years, enough to shake the iron bones of this future city.
