I, the Great Sage of the Tang Dynasty, Invite Li Shimin to Take the Throne

Traveled through the Tang Dynasty and became the grandson of Li Shimin. As soon as I opened my eyes, I found that the prince's father was rebelling. According to history, after the prince's father failed in his rebellion today, his whole family would be exiled. What to do? The unreliable prince father, Wei Wang Li Tai and Jin Wang Li Zhi, who are eyeing the throne. Let's see how I, Li Xiang, can use the knowledge of the future to change everything. Xuanwumen inheritance law? Li Shimin deserves this emperor, and so do I.