I am the Crown Prince of the Three Kingdoms

At the time of the great chaos at the end of the Han Dynasty, Cao Cao coerced the emperor to order the princes.
He crossed over to become Liu Feng, the crown prince of Emperor Xian of the Han Dynasty.
Facing the extremely powerful traitor Cao Cao, Liu Feng vowed to slaughter the traitor in the name of the crown prince.
Retrograde upward, my fate is up to me.