Historical Instances Across the Heavens: I Rewrite History

(Disclaimer: This story is fictional and based on a high-dimensional simulation premise. It has no connection to real history.)

A modern college student transmigrates to the Yan Song era and faces the greatest crisis in China's thousand-year history.

Knowing full well that the land will be shattered and the people will suffer, he still dares to defy fate and change the future!

Using modern knowledge to break through every deadlock, he turns the tide when all seems lost and saves the state from collapse.

He rewrites every historical tragedy, protects the vast lands of China, and builds an unparalleled age of prosperity!