Break the Tang Prince's Leg at the Beginning

Li Liang, a high school history student, was hit by a truck on the way to the college entrance examination. When he woke up, he was Ju Zhisheng, the eldest son of Gaochang Kingdom in the Western Regions, and he also had a magic sign-in system! In the wine shop, Ju Zhisheng deposed the Tang Dynasty prince Li Chengqian who occupied the woman in the wine shop! Defeat the Tang Dynasty's 300,000-strong army in the first battle! Fight again to wipe out the countries in the Western Region and unify the Western Region! Destroy the Turks in three battles and unify Mongolia! Then comes Tubo! Then he conquered Western Asia, Europe, the Russian countries, Africa, America...