Byun Baekhyun and Choi Hee-Soo are childhood buddies .She's a normal high-school girl .A beauty ,smart and independant  and comes from somewhat rich family .Nothing special .Highschool is never easy ,but it's not unbearable .While for Baekhyun ,he's currently a trainee at one of the biggest company in entertainment industry ,SM Ent .Adopted by Hee-Soo's parents after the accident that killed his parents ,he always see her parents as his own ,and see Hee-Soo as his sister .While for Hee-Soo ,h