The Emperor's Secret Heir

Ian time-travels to Great Qin, becomes Ninth Prince. Qin Shi Huang's passing. He awakens the Great Qin National Fortune System. He seizes the throne. Qin Shi Huang, faking his death, receives updates: "Ninth Prince killed Zhao Gao, seized the throne." Ying Zheng: "That rebellious son! I will throw him in prison!" "Ninth Prince suppressed Six States, won over the Hundred Schools of Thought!"