We Agreed on the Tang Dynasty, but Why Is It the Three Kingdoms?

In order to test the impact of historical changes on future generations, a certain scientific research base launched a crazy experiment. Jiangyuan, the scientific research base selected thousands of testers who were preparing to travel back to the Tang Dynasty. However, what people didn't expect was that the scientists' miscalculation caused the time shuttle Jiang Yuan was riding to have too much energy, allowing Jiang Yuan to travel to the late Han Dynasty. Sitting in the time shuttle, Jiang Yuan fell from the sky and happened to meet Cao Cao who was out. Boss Cao was immediately regarded as a man from heaven. Faced with Boss Cao's shameless request to go out, Jiang Yuan had no choice but to take up the post of Cao Ying's military advisor in this era when lives were at stake, helping Boss Cao end this troubled world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.