Shanu

A princess of the Western Regions, raped by invaders, gave birth to a prince. She died while fleeing to save her son, leaving behind a will for revenge. The prince, stranded on the frontier as a beggar, later joined a slave troop, befriended a long-haired young man, and fell in love with him. The prince, seeking revenge, sought to win over the people and observe the situation. Upon learning his origins, the young man decided to help him. The prince became a handyman slave, seeking to gain the trust of the powerful and assassinate the king at a palace banquet, avenging the destruction of his kingdom and the murder of his mother.

(Source: Tencent, translated)