Great Qin: Investing for Lifespan Rewards, and the First Emperor Loses His Cool

After transmigrating to the Great Qin dynasty as Qin Shi Huang's seventh son, he faces the deadly struggle for the throne. To stay alive, he has no choice but to take out Fusu and Hu Hai.

With the System's cheat-like powers, he wins over Zhao Gao and Li Si, advises Qin Shi Huang on governing the entire Great Qin, and brings about the empire's true unification.

But after becoming crown prince, he unexpectedly discovers that his adoptive father, Qin Shi Huang, also has a System, and is destined to live a long life.

Qin Shi Huang's lifespan has already reached the point where he no longer needs Xu Fu to seek the elixir of immortality.

Ying Feng can't stay calm: Father, are you trying to force me to rebel...?