●Reprinted from Nico Nico Douga:
http://www.nicovideo.jp/watch/sm10783559
●MP3↓↓↓{scroll down to 'MP3 を抽出'}
http://nicosound.anyap.info/sound/sm10783559
●Singer:
maro. http://www.nicovideo.jp/mylist/17636667
______________________________________________
For more info like singer, composer, illustrator, animator, encoder etc. please visit the original link^^
and
http://utaite.wikia.com/wiki/Maro.