Novel The novel was written by
Shion Miura, and
Shinchosha published it on September 22, 2006. Shinchosha published a second edition of the novel on July 1, 2009. In January 2024,
HarperCollins announced that they will release the novel in English.
Manga A
manga adaptation by Sorata Unno launched in
Shueisha's
seinen manga magazine
Weekly Young Jump on October 18, 2007. It moved to
Monthly Young Jump in 2008, where it ran until November 17, 2009.
Live-action film A live-action film adaptation premiered in October 2009. The series is directed by Kazuya Nomura and written by
Kohei Kiyasu, with animation by
Production I.G. It aired for 23 episodes, and
Crunchyroll simulcasted the series. The series is licensed by
Sentai Filmworks for streaming and home video release. An English dub of the series was confirmed by Sentai on November 16, 2019.
Music In the first half of the anime, the opening theme song is "Catch Up, Latency" by
Unison Square Garden and the ending theme song is "Reset" by
Taichi Mukai. In the second half of the anime, the opening theme song is "Kaze Tsuyoku, Kimi Atsuku" by Q-MHz and
Sky-Hi, and the ending theme song is "Michi" by Taichi Mukai. The anime series' soundtrack is composed by
Yuki Hayashi. A two-disc soundtrack album published by
Toho Animation Records was released on December 19, 2018, with a total of 51 tracks. ==Notes==