Yoona : Yuri unnie,do you believe that first love never dies?   Yuri : Yes,,,why did you ask?   Yoona : Well because I believe that even you love someone a piece of your heart is still longing for your first love...Unnie,do you believe at love at first sight?   Yuri : I do.   Yoona : Why?   Yuri : Because when I first meet my first love,,,I know its love at sight...