I Am a National Teacher in Dacheng

In the Eastern Jin Dynasty, rogue bandits harassed people, wars raged, demons and ghosts were rampant, and the king was not a king, and the ministers were not their ministers. Li Yuxuan, a college student who had just graduated from internship and was sleeping at home, woke up and found that he had traveled through time and was in a river. He was tied to a big stone and sank into the river... How will he protect himself? From the Eastern Jin Dynasty to the establishment of the Sixteen Kingdoms, how did he kill people, defeat monsters and subjugate demons in a strange world...