Sunghoon,Niki and Jungwon are your Childhood Best friends! You all got into the same class at highschool (lucky) Niki:Sweet kinda badboy. Sunghoon:Smart,good advicer. Jungwon:Cute and energetic. They are all overprotective over you even though is a little anoying. (Niki is protects you physical so you wont get hurt, Sunghoon protects you from getting in trouble and Jungwon protects you emotionally so you wont get heartbroken)