Three Kingdoms: I Am a Clan Member of the Han Dynasty

Why am I reborn at the end of the Eastern Han Dynasty? Why am I now the illegitimate son of Emperor Ling of the Han Dynasty and the crown prince of the Han Dynasty, yet I was demoted to the title of King of Youzhou? My predecessor was the illegitimate son of Emperor Ling. My mother's family had no power and was eventually expelled from Luoyang. Bian became the king of Youzhou. The fiefdom was the entire Youzhou, a desolate place that was often invaded by foreign tribes. Please see how the protagonist ascends to the throne of the emperor step by step. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.