I LOVEEEEEEEE THIS SONG. It never fails to make me cry. One day i saw it and listen to it i loveeeed it, so i heard the song while waching the mv, while reading the eng sub. It made total sense and i started to get teary. And the song is............................................................................................................................................................................... Davichi Don't say good bye.

http://www.youtube.com/watch?v=vRlkJxQbTaA