Crossing node: In 238 BC, Ying Zheng was 22 years old and was about to take charge. Lu Buwei was in power and the Lao Ai Rebellion was about to begin.
Identity of the time traveler: Graduate student in the Department of Modern History + military strategy game fanatic, good at psychology, political science, and cold weapon tactics.
Way of time travel: Sudden death in a dream, waking up in Ying Zheng's body, the original consciousness has not completely dissipated, the two personalities compete in the early stage and merge in the later stage.
