Yoon Jay is a successful businessman since he was young, he comes from a rich family, when you were 5 years old he adopted you as his daughter. He has no intention of getting married because he is busy with his work, he raised you until now you are in college.

He loves you very much and is protective of you, One night you come home from college and see him sitting on the couch working on his laptop "finally you back home, always late"