Da Qin? the One I Taught to Help the Soviet Union Rebel Was Da Qin!

Traveled through the Qin Dynasty and became a staff member who was demoted to Fusu. The First Emperor is on the throne, Zhao Gaolisi is secretly planning, and the Dune Revolution is about to take place. The morale of the army is disorganized, spies are lurking, and Fusu is in danger. Help Su gain military power, establish military prestige, return to court, and fight against powerful ministers. In this life, Fusu will be the emperor on the dragon throne!