You and Myungsoo ; your ex boyfriend , bumped into each other at your best friends party . Turns out , he is your bestfriend's cousin . Honestly you still have feeling for him , but nothing can change . He moved on . On the other hand , Myungsoo feelings for you never changed to , he still believes there's a chance for you two to be together . But , in the first place , why did the both of them Broke Up ?