Dengeki Comics
A DVD containing four animated music videos supervised by Akiyuki Shinbo, directed by Shinpei Tomooka and Naoyuki Konno, and animated by Shaft, was released with the limited edition of manga volume three on March 21, 2008. A digest of the videos was released in the February 2008 issue of "Dengeki Daioh" that was released on December 21, 2007. This digest was also posted on the Dengeki Comics official "Shina Dark" website.