Qin Feng, a doctor of archeology, accidentally traveled to Qin and became Yingji, a prince of the Qin clan (there is indeed such a person in history, see "Historical Records: Biography of Qilizi"). He relied on the memory of unearthed cultural relics to survive the rise and collapse of Qin. When he discovered that each of his reform measures was recorded in "Historical Records", he was shocked to realize that the so-called "travel" was actually inevitable in the closed loop of history...
