I'm in Da Qin, and I Start the War Against the Xiongnu.

Traveling through the Qin Dynasty, facing the cholera epidemic among the Xiongnu in the border areas after the Great Wall Legion left. Facing the Huns who were raging in Jiuyuan County and plunged the entire Jiuyuan County into a flames of war. As a time traveler, Mo Yu finally activated the time traveler plug-in. At the beginning, he gained the support of 8,000 Beiwei troops, the fierce general Yue Yun, and the martial sage Yue Fei. During the counterattack against the Xiongnu, he overkilled and rushed into the plains, becoming the Xiongnu's nightmare. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.