Da Qin: the Identity of My Eldest Son Has Been Discovered

In 221 B.C., Da Qin ruled the world.
The modern youth Qin Xuan traveled to Xianyang and became the eldest son of Ying Zheng who was lost.
Start with a sign-in system.
Ding, sign in to extract divine medical skills.
Ding, the sign-in draw is really brave.
Destroy the Huns and destroy the Donghu!
Since then, Daqin has one more war mad!
First Emperor: Showdown, in fact, I am your father!