is a Japanese OVA from 2010 produced by Yutaka Yamamoto from the Ordet studio and directed by Shinobu Yoshioka. The 50 minute OVA is based on the song of the same name by Supercell and its music video accompanied by illustrations by Huke. A "pilot edition" of the anime was released on DVD and BD in September 2009 and the full version was released on DVD on July 24, 2010, subtitled in seven languages.
In February 2012, an anime based on the character was broadcast on the television space noitaminA, on Fuji TV.1 After the OVA, two manga and one PSP game were played, each in its own different universe.He is the main and alternate character of Mato. This lives in a world alternate to that of Mato Kuroi, fight against the characters in this world to kill them and release their Earth alternates of their bad emotions, which indicates their blue flame in the left eye. Fight with a weapon called Rock Cannon, which can fire up to 20 rounds per second. At the end of the Anime, with the colors that appeared by the temporary breaking of the gap between the worlds, the weapon became much more powerful, capable of killing its opponents with relative little effort. It measures 163 cm.