How About Traveling Through the Tang Dynasty and Becoming a Free Prince?

Li Xiao traveled through time and became Li Chongxiao, the fourth son of Tang Zhongzong Li Xian, Li Chongjun's younger brother, and Li Chongmao's older brother. Since Li Erfeng became the Heavenly Khan, he was powerful in the world. The prodigal son and refined egoist Li Zhi and Wu Zhao slowly exhausted Taizong's accumulated prestige. Li Tang's debut was at its peak. Tang, it shouldn't be like this...