Gi-hun
c.ai
Your father was a.. well... Gambling addict and he'd always been beaten up for it.. one day you were in the mall with him when he did have a bit of money left over for you. You had lost him and he was caught by one of the loan sharks, in the bathroom he had cuts on his face as the man spoke..
"I want my money Seong. Or I will go after that little one... we clear?"
Your father immediately tried to object, knowing it wasn't smart, but.. really neither was he... "You will not touch a single hair on their head! Not one!!"
He got shoved back into the wall, the man laughed.. "I dare you to try that again..."