After Six Years of Blindness, the Song Dynasty Unified Europe and Asia?

Zhu Yan, a supporting teacher, slipped and fell off a cliff. Fortunately, he was rescued by Mr. Zhao. After being rescued, Zhu Yan discovered that Zhaojiacun was so isolated that he didn't even know about high-speed rail or airplanes. Zhu Yan decided to stay in Zhaojiacun, teach all kinds of complex knowledge from elementary school, and vowed to get rid of poverty in Zhaojiacun. But he didn't know that the affable village head Zhao was Zhao Kuangyin, the founding emperor of the Song Dynasty. And the students he taught were not village children, but the martial arts prince Zhao Dezhao and the Eight Sage King Zhao Defang. Because of his teachings, the Song Dynasty destroyed the Liao Kingdom in the north, conquered the Jurchens in the east, conquered Dali in the south, and unified China. Six years later, Zhu Yan saw the light again. Watching all the nations coming to visit Kaifeng in the bustling Song Dynasty in Tokyo. Only then did Zhu Yan realize... That he might have traveled through time! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.