Let Fusu Oversee the Army and the Snow Dragon Cavalry Destroy the Huns?

Travel through time and become Fusu, who was just driven to the Great Wall to supervise the army by Zu Long. The system starts with a reward of 10,000 Snow Dragon Cavalry! Attached general is the great loyal and evil Chu Lushan! So, the end of the Huns came! … A year later, Dang Fusu returned to Xianyang. He holds 300,000 Great Wall garrison troops and 100,000 Snow Dragon Riders. "My son, Fusu, please ask your father to abdicate!" Upon seeing this, all the officials opened the city gates to welcome him! Zu Long laughed angrily, this traitor really wants to rebel! [Veteran author, his works speak for themselves!