Library

There is a book inherited from the family. The eldest and second eldest children in Yu Sheng's family, one is admitted to university in Beijing, and the second is a soldier in Northeast China. He did not enter college, so he stopped repeating high school. In his spare time, he studied this ancient book. Over the past year or so, the knowledge in the book has gradually been remembered in his heart, but he has never had a chance to try it...