[nico] 初音ミク Original 曲「グラーヴェ」

http://www.nicovideo.jp/watch/sm30960061    (niki)
https://www.youtube.com/watch?v=hghTIJEF8dk (niki)
https://www.youtube.com/watch?v=ZE9Il0S3HYA (中文翻譯字幕)

http://www.nicovideo.jp/watch/sm31272249    (feat. kradness)
https://www.youtube.com/watch?v=OeuVejWEcVw (feat. kradness)