Ha Eun Ri is your typical 17-year old girl-next door. A young and carefree extrovert ready and willing to face life's ups and downs. On the other hand, Lee Howon or Hoya, is your awkward, smart introvert living up to people's expectations.  Despite their differences, fate comes in the way.

 You and Lee Donghae have been the best of friends ever since preschool. You have been inseperable since then. Now that he's already a well-known idol,lately you feel that our friendship is slowly falling apart. Plus, ever since high school, you've always had feelings for him.

TEEN TOP'S CAP? Transferring into my school? Whaaaaat?

As I hold this light blue handkerchief, I clearly remember that day. That day when I met Cnu.