井口裕香
An OVA episode was bundled with the seventh light novel volume on September 22, 2011. The anime television series aired on TBS and MBS between October 7 and December 23, 2011, and was also simulcast on Niconico. Another OVA episode was released on September 26, 2012. 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. For the OVA, the ending theme is by Inoue, Itō, Yamamoto, Fukuen, Hanazawa, Iguchi and Ryohei Kimura. Funimation Entertainment has licensed the series in North America.