I Am the Prince of the Tang Dynasty!

Traveling back to the Tang Dynasty, he became Li Shimin's first son. He obtained the genetic system, one person and one horse, defeated the Turks, and defeated Jieli. No noble dares to be presumptuous in front of him, otherwise he will be killed! Li Shimin: "If I had allowed him to return to the royal family earlier, I would not have appointed Li Chengqian as the crown prince..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.