From Viz:
Xin’s quest begins when his friend Piao, another war orphan who shares his dream of becoming a great general, is taken away by a mysterious minister to the capital, and Xin is left to work and train on his own. But one fateful night, Piao returns bloodied and on the brink of death, with his dying words being for Xin to carry on their dreams and meet a certain person in a nearby village. Xin rushes to fulfill Piao’s final request, only to meet a boy who looks exactly like Piao. But this is no ordinary boy. It’s the king of Qin, Ying Zheng! And assassins are hot on his tail!

Official French

Note: Won the grand prize for the Tezuka Osamu Cultural Prize in 2013 and the first annual Tsutaya Comic Awards' All-Time Best Section in 2017.