Hatsune Miku no Shoushitsu (初音ミクの消失 - The Disappearance of Hatsune Miku) is cosMo's first major album. It is a concept album which consists of 14 tracks in total, including the tracks from ∞ -InfinitY- series. All tracks in this album features Hatsune Miku.
The crossfade of this album can be seen in Nico Nico Douga.
| Released on August 4, 2010