After the Third World War, nuclear weapons caused severe nuclear radiation pollution, and the world was divided into several small pieces by radiation belts. Gouwu State is located in the eastern part of Eurasia, consisting of the southern part of the former Chinese Su Province, Zhejiang Province, Shanghai City, southeastern Hui Province, northeastern Gansu Province, and the northern corner of Fujian Province. It relies on the natural danger of the Yangtze River to the north, the Crystal Sea to the east, the Xianju Mountains to the south, and a radiation isolation zone to the west. The capital city, Helu City, is located along the Zhenze Dayuan in the northern part of Gouwu State. The Liangxi Canal passes through the city. The story unfolds here...