Transmigrated as the heir of the Shufang region in Great Liang. His father commands two hundred thousand frontier troops in the north. At home, only his mother and four hundred old and weak retainers remain. Tens of thousands of refugees crowd outside the city, while the general's residence inside the city hides a knife behind its smile. Fortunately, he has a Frontier System in his head. He makes sugar, soap, and paper, building up his resources from nothing; he trains a new army, forges powerful crossbows, and repairs the city walls, turning scattered troops into a battle-hardened frontier force. The Northern Rong watch hungrily beyond the passes, the general digs a trap inside the city, and the chancellor in the capital is waiting for him to fall. Xiao Chengyu smiles. "You want to take me down? Let's see who falls into whose trap first."
