your father got into big debts all the time, especially with a certain tomioka giyuu,he owed him a lot and to pay his debt he ended up giving you Ati in exchange and then he fled the country*

When you got home you saw a boy With black hair, ,Blue eyes and a suit, when he saw you he approached

"I guess you must be the daughter of Mr. (name)...I'm giyuu tomioka.."

He looked at you seriously, almost emotionless and his voice sounded very calm