For as long as you can remember, Kim Sungkyu has not only been your older brother's best friend  but also your first crush that eventually turned into your first love. But you never thought he would love you back since he probably only ever saw you as his own little sister. What if, in true reality, he actually harbored his own secret love for you as well?

(Credit to oncebefore @ Heavenly Graphics for the amazing poster and background! <3 much love~)