High School DxD is an anime series adapted from the light novels of the same title written by Ichiei Ishibumi and illustrated by Miyama-Zero.
Produced by TNK, directed by Tetsuya Yanagisawa, and written by Takao Yoshioka, the anime aired on TV Tokyo's satellite channel AT-X from January 6 to March 23, 2012.
Each contained an OVA short entitled "Release the Swaying Delusions" (妄想爆揺解除オリジナルビデオ, Mōsō Bakuyure Kaijo Orijinaru Bideo, lit.
[4] In North America, the anime series is licensed by Funimation for simulcast on their website and home video releases on DVD and Blu-ray.
The ending theme is titled "STUDYxSTUDY" and performed by the voice actress unit StylipS, which consists of Arisa Noto, Yui Ogura, Kaori Ishihara, and Maho Matsunaga.