Bu Ganxin Bei Choudi Xiao Shu Xunfu

Since childhood, Ling Luxiao had been raised under the abusive care of his father's killer, his uncle-in-law, Ling Ye. Every scar etched into his body were a reminder of his resolve for revenge. As an adult, he finally launches his retaliation against his uncle... only for his uncle to effortlessly handle him. Ling Luxiao, wanting to use the opportunity to humiliate his uncle, gradually discovers his own submissive nature through his uncle's repeated punishments. He eventually becomes his uncle's loyal lapdog. Between the hatred for his father's murderer and the family ties they share, Luxiao is left lost and confused. And just as he decides to give up on everything, he discovers that things weren't as simple as he initially thought...

(Source: Bilibili, translated)