Zhao Huan is a hot-blooded young man in modern high school. Because he did not do well in the English test and was scolded by his parents, he was in a bad mood. He was hit by a Universiade truck when he went out. Travel back to 221 BC in the Qin Dynasty, a critical year that profoundly changed the course of Chinese history. This year, the 39-year-old Qin King Ying Zheng finally completed the great cause of unification after successively destroying the six kingdoms of Han, Zhao, Wei, Chu, Yan, and Qi. At this time, Great Qin was still in its prime. Zhao Huan penetrated into a system, but he had no power, so he could only regard Qin Shihuang as his host, and bewitched him to destroy Japan at that time. Zhao Huan used historical knowledge to convince Qin Shihuang of his identity as a national preceptor.
