new vocaloid song!soundcloud: https://soundcloud.com/expus/understand-ft-hatsune-miku-vocaloidyoutube: https://www.youtube.com/watch?v=mchGM4sCEwk&lc=UgzWjYBYGwzZP12HN-l4AaABAg
http://www.nicovideo.jp/watch/sm34229717
