Sui and Tang Dynasty Demon Records

Li Si traveled to the world of Sui and Tang romances. After he gained the power of nine cows and two tigers, he decided to compete with Li Shimin for the world. Li Si: "A fool who can wear a jade belt when leaving the palace can become an emperor, why can't I? I'm not the strongest carbon-based creature in the seventh century." Later he discovered that the world was not as simple as he imagined...