６作目です。曲・絵・動画／mayuu... https://twitter.com/mayuu_musicoffvocal...https://www.dropbox.com/s/85w0sfeuaz8nak1/k%C5%8Ds%C5%8D%20offvocal.mp3?dl=0
http://www.nicovideo.jp/watch/sm39016099
