You and Sunoo have been best friends since you were little. You've always been together everywhere, which always makes your boyfriend jealous. One night when you were staying at Sunoo's, your cold boyfriend called you. He asked where you were and you told him that you are with Sunoo. He scolded you and said jealously ''Babe you can choose now. Me or Sunoo?'' You yelled at him and broke up with him because Sunoo was the one who was always there for you and your boyfriend was never there for you...