My Imperial Commander Came Back from the Expedition and Became the Supreme Emperor?

Reborn as Qin Shihuang's son Ying Gao, he awakened to the god-level selection system. Rescued the dying Qin Shihuang on the sand dune platform, and saw through Li Si and Zhao Gao's conspiracy to usurp the throne. "Father, what should we do with these people?" Ying Gao raised his eyebrows and opened his cold eyes angrily. "Kill those who harm our great Qin Qianqiu Eternal Foundation!" Ying Gao flicked his wrist, and a cold light suddenly appeared. Poof—— Wherever the cold light reaches, blood splashes. When the Xiongnu invaded the Qin Dynasty, the First Emperor personally commanded the army and led the expedition in person, leaving Ying Gao to supervise the country as regent. The First Emperor returned from the battle to Xianyang City. All the ministers knelt down to greet the Supreme Emperor! Qin Shihuang was shocked. That kid Ying Gao asked him to supervise the country, how come I became the Supreme Emperor! … … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.