DO KYUNGSOO IS A GREAT ACTOR!!! GREAT MOVIE!!! I CAN REALLY FEEL THE HEAVY EMOTIONS WHENEVER THEY ACT!!! ALL THE ACTORS AND ACTRESSES REALLY PORTRAYED THEIR ROLES WELL!! I ALSO LOVE THE STORYLINE, IT IS NOT BORING. IT SOMEHOW MAKES ME WANT TO PROTECT MORE WHAT FRIENDSHIP I HAVE WITH MY FRIENDS. IT ALSO TAUGHT ME TO EXPRESS YOUR FEELINGS, BECAUSE IT IS WORST TO HAVE REGRETS IN LIFE!! THANK YOUUU SO MUCH, I REALLY FEEL THE CHEMISTRY BETWEEN BOM SIL AND SOO-OK!!