Isekai de Kojiin wo Hiraitakedo, Nazeka Darehitori Sudatou to Shinai Ken (WN) - Chapter 19: The request from the guild master final part

A letter to break off the engagement leads Ling Family in Tangyang to endless doom. And he, Ling Zhang, is tortured to death after his legs are cruelly broken.

Get the power of the steel chain fingers in “JOJO”, form your own family force, and completely subvert the world of pirates!

I am BIG.BOSS, Mafia Victor!

- Description from novelbuddy

Born different in a family where everyone has black hair and golden eyes, the boy was labeled a cursed child; yet, he didn't let despair swallow him. He would live on and understand the reason why he was different and what made him unique.Follow him as he embark on his journey of self discovery. This is the Chronicles of the Cursed Child, the one who will later be known as the Primordial Heir, the Elemental Lord.

…but it seems pretty doable.