Help to find this story

hi reading stories in episode for long time. now i want to read an story which i already completed. but i forgot the name of it. i remember only one character in that. that charcter name was SULLY . it was a mafia story i think.sully was loyal men to his boss. sully character had pink hair color permanently in that story. pls if anybody can guess let me know guys.

Duplicate topic. Refer to Help me to find the story