A story about an orphan girls and a gay who found a way to each other and heal the wound of their past with a help of destiny

Yoona is a student in "Seoul High School".She's often arrived late and always punished by her teachers.One day she was late again,but this time she decides to do something.She try to climbed the school wall,and managed succesfully,but what will she do when she suddenly fell and hit someone?.The situation getting worse when she accidently kissing "that someone" and it turns out,if the person she kissed is the"devil prince"who is feared by everyone in her school.

Yoona and Jaejoong have been secretly dating for two years.. With their position as the center of SNSD  and TVXQ they found many obstacle to defend their relationship.. When Jaejoong rumored to be dating a japanese actress and the news start to spreading in korea like a buzz... how will Yoona react? Will she still believe if Jaejoong was the one? And will they get their happy ending?