Time Travel: Taking Emperor Yang of the Sui Dynasty Through History

An Tanhuan was originally a small worker who was oppressed by capital in the 21st century. She didn't provoke anyone on weekdays, but one day a gray-haired old man suddenly broke into the house and told her that she was the savior of the world? A man accidentally traveled to the Sui Dynasty and became Emperor Yang's personal teacher. While mastering the history of the Sui Dynasty, he also had a future emperor of the Sui Dynasty as a minion. Look at his innocent look with his big eyes Is this really the tyrant in history? ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.