I Signed in the Tang Dynasty for 10 Years and Was Forced to Rebel

I, an ordinary office worker, traveled to the third prince of the Tang Dynasty, Li Luo, and got the sign-in system. After signing in for 10 years, the prince was forced to rebel. Let's see how I can regain the land of Kyushu. I want the Tang Dynasty to spread all over the world map. Let there be only Datang in the world, no more Little Sakura, Little Stick, Little Eagle Sauce, and Little Ah San