Rewriting History: Gan, No One Informed Me When I Traveled Through Time

[Imaginary history + soul travel + system + rewriting history] What would you do if you had 20 years of intervention history? Mu Qing traveled through the Warring States Period and awakened the "Tianshu" system to change history. Help Su ascend the throne and make the Qin Dynasty eternal... But the big hand of historical revision strangled everything. Since changing once is not enough, then travel, travel, and travel again... Changed the eunuch dictatorship of the Han Dynasty, quelled the An-Shi incident in the Tang Dynasty, and eliminated the centuries of humiliation of the Song Dynasty... Just for—China for eternity