About two years ago, Oh Sehun fell in love with Baek Ah Joong. She was a new student & she instantly caught his eye. But she caught the eyes of many other guys including Sehun's bestfriend, Kai, Sehun's cousin, Oh Hyun Seok & the new guy, Kim Myungsoo. Sehun & Ah Joong dated but it didn't seem right at the time so they decided to remain friends. Sehun never got over her. Ah Joong &