Mythological Sui and Tang Dynasties

Time-traveling to the Sui Dynasty, becoming Li Jiancheng, the heir of the Duke of Tang. Unwilling to succumb to fate, he decides to break the rules and establish a new order! Thus, he seizes the emperor, expands the Western Regions, quells chaos, and establishes the world! Let's see how the 'cowardly' king - Li Jiancheng, uses the long sword in his hand to write his own legend in the long river of history!