モザイクロール (Mozaik Role)

Mozaik Role is a song by DECO*27 ft. Gumi, with the vieo by akka & mirto. It is one of Gumi's most notable songs, achiveing over 4 million views in Nico Nico Douga.
 * Nico Video Broadcast
 * YouTube Broadcast

Background
A song about saying goodbye to your loved one.