Heir Stealer: The Python's Cry at Sunrise

Li Zhengyang transmigrates into the Great Xuan Emperor's son, Prince Yan, and becomes a fool. After Grand Prince Li Jianwen attempts a coup, he trades the Imperial Seal for exile to Northern Liang. Princess Lu Susu, driven by her devotion to her husband, refuses her father's request for a separation and remains by his side. Eventually, Prince Yan decides to leave for Northern Liang with her. In Northern Liang, he outwits Prefect Wei Tong, recruits Wu Guang, defeats his enemies, uncovers the plot of Tana, and overcomes the Northern Mang forces, ultimately becoming the Emperor of Great Xuan.