This track will also be on 'IA THE WORLD~光~' but sung by IA.
Music: kemu
Vocals: GUMI
Illustration: ハツ子
Video: ke-sanβ
NicoDouga Link:
http://www.nicovideo.jp/watch/sm18198019
~I do not own the video nor song. All credit goes to the original creator(s)~