They are lovers for 3 years. They loved each other unconditionally.No one can separate  them away.Everyone cheers for them for known as The Harmony Couple.Theyve made a promised to  visit Japan every year when a blossom start to bloom.But  Promise was meant to be broken, wasnt it ?What if something get  in their way , and make them drift apart ?Unknownly, their loves for each other started to fade  lilttle by little. Afterall, can they rebound and learning to love each other again ?  Foreword   THE    HARMONY   COUPLEZhang Yixing (Lay)25 Years Old4th Year of college   Jung Soojung (Krystal)22 Years Old1st Year of College  Jung Sooyeon  ( Jessica)27 years Old  Owner of the  BLANC & ECLARE GROUPWu Yi Fan ( Kris)26 Years OldActor and model