12 dazzling guys stand by Xiumin, Luhan, Kris, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O, Tao, Kai, Sehun and 1 beautiful tomboyish girl, Yoona are friends. They are so close to each other since Yoona is very easy-going and bright girl. Jessica's sudden appearance makes her feel so small. She don't

Im Yoona is a very bright and cheerful girl but changed because of an incident. 2 years ago, Yoona fall in love with a boy named Minho and give it all her best and confessed to him. Minho accept her and they become a couple that was envied by everyone. As Yoona fall for him more, she was humiliated in front of everyone one day. Knowing she was just a toy to Minho, she transfered to another school and luckily no one even bother her attendance. Yoona try to keep her