This video is extract from nicodouga http://www.nicovideo.jp/watch/sm16266170 song name 活字列車の案内人 Katsuji Ressha no An'nainin /The conductor of the typing train
there is also a version with Gumi&miki here http://www.nicovideo.jp/watch/sm14873108 and also a version with shigure nao and kumono tsuki http://www.nicovideo.jp/watch/sm13274026 who are they? http://utau.wiki/utau:nao-shigure http://utau.wikia.com/wiki/Tsuki_Kumono
