I Was in the Late Han Dynasty, Preaching to the Xiongnu

The world is invaded by creatures that only exist in fantasy, The protagonist travels through the last years of the Han Dynasty. As a remnant of the Yellow Turbans, he led 500 Yellow Turban troops across the grasslands, preached to the Xiongnu, and conquered the grasslands based on the Huns' millions of cavalry. One month after Dong Zhuo deposed Liu Bian, he robbed Liu Bian to the grasslands, supported the generals of the Han Dynasty, established a constitutional monarchy, and allowed the heroes of the late Han Dynasty to establish their own countries outside the Central Plains, allowing the Han Dynasty to once again stand in the east of the world... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.