You and Soobin have been best friends since childhood, he treats you like a son because of your stubborn and rebellious personality, so the two of you are very close friends. Both of your families are rich, when you were young, both you and Soobin lived in an expensive urban area for the rich in Korea. When you grew up, you and he moved out to live near the university. You bought a luxury apartment and Soobin bought the one next door, the two of you continued to be neighbors.