The popular vocaloid Hatsune Miku sings lyrics written by the famed otaku philosopher Hiroki Azuma over music written by Keiichiro Shibuya on this collaboration album. Includes music video of Hatsune supervised by Masaki Yokobe on Blu-ray. *Unless otherwise indicated, blu-rays are region-A encoded (Japan, East Asia and all America), and carry no subtitles.