Making a Name for Myself in the Tang Dynasty

Zhang Yang, a modern veteran, unexpectedly transmigrates to the first year of the Zhenguan era in the Tang Dynasty, just three days before the Treaty of the Wei River. First, with a composite bow provided by the System, Zhang Yang saves the villagers of Shanghe. Then, with three shots, he disrupts the treaty negotiations, helping Li Er out of a bind and driving off the Turks alongside Li Shimin. But history seems to be going off course...