Can Lee Ji-Eun (IU) ever be truly happy considering her constant bullying, no real parents, and only a "brother" to call a friend? Her life has been full of abandonements. So what'll happen when someone new comes along and befriends her? What if she catches feelings for the wrong one... or worse, more than one? She may not know it yet, but she needs someone who will stay by her side til the very end. » IU, LUHAN, KRIS, SEHUN «

Rich. Pretty. Kind. Words like these perfectly describes Lee Ji Eun. But she doesn't know she's all this. She comes back from the States all excited to see her only friend, Bae Suji but someone/something is about to come in between their friendship. Lu Han is a kind and diligent student at Seoul Crescent Academy. But he is not friendly because he doesn't like talking about personal things. But as he sees Ji Eun for the first time, he feels a strange attraction that keeps pulling him to her. Then he realizes that it is love at first sight. But he can't tell her that. He's too afraid. So, he decided that being close to her would be enough.. For now.

Lee Minhyuk and Lee Ji Eun are mortal enemies... Minhyuk is inlove with Ji Eun but he doesnt expresses his love, he only does bad things to her. He says "I Hate You" but in his mind and heart its, "I Like You". Coz he's to afraid to confess and he decided to just be her enemy so he can still get attention from her. While Ji Eun who has a crush on Minhyuk but it slowly faded coz he always tease her, play pranks on her and always shouts at her. So now she hates him... But maybe her love for him will come back... Will they still stay as enemies or could they become a couple?