In 2202, an illegal combat experiment research institute was discovered in City X and was blown up in accordance with the law. Dozens of highly valuable experimental subjects were also blown up together, leaving no corpses. However, 14-year-old Xie Jia Shu escaped and witnessed the explosion with his own eyes. After his sister died, he also understood that it was time to start the "Fire Cloud" plan.
Intention: Written for entertainment, the background is fictional, do not take it seriously