Marina Inoue
In May 2011, an anime television series based on the light novels was announced on the wraparound jacket of the sixth light novel, with an original video animation bundled with the seventh light novel released on September 22, 2011. Produced by AIC Build under the direction of Hisashi Saitō, the series aired in Japan from October 7 to December 23, 2011. The opening theme is by Marina Inoue, Kanae Itō, Nozomi Yamamoto, Misato Fukuen, Kana Hanazawa, and Yuka Iguchi, while the ending theme is by Marina Inoue. The anime is based on the first three volumes and the beginning of volume four. The anime was licensed for streaming by Funimation, who hosted the stream on the website and Nico Nico, before licensing the series for home video release.