My Father Is Lü Fengxian

No System, no formulaic plot, dramatic, and with an invincible protagonist.

He transmigrates into the Three Kingdoms era as the son of Lü Bu, the turncoat who served three different masters. He lifts the siege of Xiapi, brings peace to Xu Province, destroys Yuan Shu, executes Yuan Shao, defeats Cao Cao, and unifies the lands north of the Yangtze.

Later, Cao Cao occupies Yi Province, Liu Bei takes Jing Province, and Sun Quan controls Yang Province. The three form an alliance.