There were only these two whose identity could be picked up.
It was also because of their identities that they realized that Traveling Doctor Liu seemed to have no qualms when picking his disciples. He could pick anyone, including those with the position of the crown prince.
The former Emperor of Qi Xi Kingdom was only on the throne for a short period of few months. Because their father died and handed the throne to his teenage son, who ended up dying in order to stop the coalition war.
In that war, Qi Xi Kingdom lose everything.
And the emperor's younger brother, who was even younger than him, had to step forward and become the emperor.
Shangguan Xiao didn't know the details.
He was still very young when everything happened. It had been more than two decades ever since that happened.*
Now, there was another disciple from Traveling Doctor Liu appeared in front of him.