Three Kingdoms: Starting Off with 300,000 Qingzhou Soldiers

(Based primarily on Records of the Three Kingdoms, supplemented by Miscellaneous Records of Heroes. Decisive and ruthless protagonist, power fantasy, ensemble cast. If these aren’t your preferences, please proceed with caution.)
Zhang Yuheng, son of Zhang Rao, commander of the Qingzhou Yellow Turbans.
After his father’s death, the memories of two lifetimes awaken within him.
Knowing that the Yellow Turbans are on the brink of starvation, he sets out to recruit the greatest grain administrator of the late Han Dynasty.
When confronted with the fact that no aristocratic clans are willing to support him—
Zhang Yuheng merely smiles and says:
“I am but a commoner from Beihai. What difference does the world make to me?”