Kyuhyun and seo joohyun been dating secretly for more than two years..behind that is they were the first magnae couple of sm! which every one in sm believe  and envy that they were really match made in heaven and,also by the other people who sees them they will tell them the same thing towards the two.but in all interviews they just simply say or deny that they never experience dating, to protect their image as global super stars and to avoid any scandals will arise!they just keep it all to the public pretend that they are in brother-sister relationship only, but behind that they were really inlove with each other.but as time goes by kyuhyun decided to talk to her love of her life which is joohyun he want to know her opinion in reaveling there real relationship or status to the public.which seohyun agreed upon the decision of kyuhyun to tell  it to the public bout there real status.they discuss it seriously about there plan after revealing to the public about their relationship.