When In-Young met with a new exchange student, Ken, who was practically picked by her jock boyfriend on his first day at school, she helped him out to discover that he was actually her classmate. Friendships were bond when Ken decided to join the music and arts club with In-Young. Litlle that In-Young know that her boyfriend was seeing someone else. Would Ken be the hero to the rescue or will In-Young be breaking her heart when she found out about it?    

I promised myself I'll confess to him after I pass this exam, but it looks like I'm too late... Kim Min-Ah was a special girl with frost powers. She studies in EXO Academy with her oppa, Kai and the rest of his pals. The guy that took his attention was Do Kyungsoo, one of Kai's friends but her heart was broken when she discovered that he had been together with her ex-friend, Hyun-Ah for quite a while now. In the meantime, Lay, Min-Ah's best friend is after her too.