NBCUniversal Entertainment Japan
The series is produced by Madhouse and directed by Tetsurō Araki, with series composition by Yōsuke Kuroda, music by Takafumi Wada, character design by Hitomi Ochiai and Masayoshi Tanaka, and art and sound direction by Ayu Kawamoto and Kazuya Tanaka respectively. The series aired on AT-X from July 5, 2010 to September 20, 2010, with later broadcasts on TV Kanagawa, Tokyo MX, Chiba TV, KBS Kyoto, TV Aichi, TV Saitama, and Sun TV. Six DVD and Blu-ray volumes were released by Geneon Universal Entertainment (now NBCUniversal Entertainment Japan) between September 22, 2010 and February 23, 2011.