Da Qin Mistook Ying Zheng for Zhao Gao

Li Yan accidentally traveled to Daqin and became Li Xin's son. While immersed in studying technology, Ying Zheng pretended to be a surprise visit from Mr. Zhao. After some recommendations on economic warfare technology, Brother Zheng successfully captured the Kingdom of Zhao! "Gu will grant you the title of Yushi Zhongcheng, ranking above the Nine Qings! Help Gu unify the six countries!" "Yes!" "I want to pacify the Japanese slaves!" "Yes!" "I want to unify overseas!" "Yes!" "I want two more barrels of alcohol!" "No!" … Da Qin became the most powerful empire in history, unifying the inside and outside and dominating the world!