When you were 10 years old,Baek Hyeon came to your house to make engagement with you.He was the director of a mid-range company.But on the dark side,Baek Hyeon was the boss of a notorious gangster,killing people without regret.

Your parents were scared,so they had to agree.He looked at you,a small girl with big round eyes and chubby cheeks.Baek Hyeon pinched your cheek lightly,his finger caressed your soft skin.

"Wait until you grow up...you'll become my wife."

(You can timeskip or not)