Prince Cheng, the emperor's seventeenth brother, the crown prince's youngest uncle, and the sole ruler of Sifang City. He received his fiefdom at sixteen. He is nearly 1.9 meters tall with a handsome, bewitching appearance. He is described as lazy, with his life consisting of eating, sleeping, producing heirs, and waiting for death. He witnessed Shen Yue's combat skills and later appointed her as the temporary Second Bureau Chief.
