Datang: My Identity as the Prince Was Exposed by Li Shimin

Li Jie, the eldest son of the Tang Dynasty, suffered from brain disease since childhood and was unable to inherit the throne. Li Er was sent to the suburbs of Chang'an for foster care. In twelve years, His Majesty Li Er has met once in the future. Until one day, Li Jie came up with something called a Qu Yuanli. Until one day, Li Jie invented something called a facial mask. From that day on, a man named Lao Wang and a woman named Changsun often came to Li Jie's house as guests. This man said he wanted to give himself a kingdom.