You've Done Me a Lot of Harm by Wearing the Yellow Robe.

Businessman Xue Heng, a sophomore in the Department of History, accidentally traveled to the body of a common soldier from Zhou Dynasty after the Five Dynasties and Ten Kingdoms. It was Chai Rongyujia, Emperor Shizong of the Later Zhou Dynasty, who personally fought in the Battle of Gaoping, which determined the fate of the country. The commander fled during the battle, resulting in the loss of the right wing. Xue Heng, who was well versed in history books, knew the historical trajectory and persisted on the battlefield. He acted proactively, and was eventually recognized and promoted by Chai Rong, who was appointed as a general. Xue Heng was gradually trusted by Chai Rong and stepped into the center of power. Reform the army and establish the Four Elephant Guards, a special department of the Forbidden Army Rectify the administration of officials and act as Chai Rong's sharpest knife Taking the imperial examination continues the dynasty's cultural heritage … Events in history are unfolding one after another, and Xue Heng rises step by step and becomes a powerful minister under one person. He stood in the court hall, looked back at the past, and realized that he had invisibly promoted history. Later, Chai Rong died on the way to the Northern Expedition to Yanyun. The generals supported Xue Heng as the new emperor. He was wearing a yellow robe and expressed his true feelings. "You guys have really hurt me."