An OVA episode that is listed as episode 13 was released with the limited edition of the 13th light novel volume on Septemon Blu-ray. 'Release the Swaying Delusions Original Video') and other bonus material. 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. Six DVD and Blu-ray compilation volumes of the first season were released by Media Factory between Maand August 29, 2012. During production of this season Ishibumi had the Passione staff read nearly all of the light novels so that they don't miss any inaccuracies and warned them off taking any creative liberties with the material like TNK had. The fourth season, High School DxD Hero, aired from April 10 to July 3, 2018, adapts material from the ninth and tenth volumes of the light novel and is produced by Passione, directed by Yoshifumi Sueda, and written by Kenji Konuta.

This would be the final work by TNK on High School DxD due to creative differences between Director Tetsuya Yanagisawa, script writer Takao Yoshioka and original series writer Ichiei Ishibumi. The third season's first ten episodes adapts material from the fifth to the seventh volumes of the light novels, while the last two episodes form an original self-contained story arc. The third season, High School DxD BorN ( ハイスクール D×D ( ディーディー ) BorN ( ボーン ), Haisukūru Dī Dī Bōn), aired from Apto June 20, 2015. The second season adapts the third and fourth volumes of the light novels, with its episodes split between two arcs: The Excalibur of the Moonlit Schoolyard ( 月光校庭のエクスカリバー, Gekkō Kōtei no Ekusukaribā) and The Vampire of the Empty Classroom ( 停止教室のヴァンパイア, Teishi Kyōshitsu no Banpaia). The second season, titled High School DxD New ( ハイスクール D×D ( ディーディー ) NEW ( ニュー ), Haisukūru Dī Dī Nyū), aired from July 7 to September 22, 2013. The first season adapts material from the first two volumes of the light novels and a few side stories from Volume 8. He is revived by Rias Gremory, who is a crimson-haired school beauty that is actually a devil, and becomes her servant. Issei is a perverted high school student who is killed by his first date, who is revealed to be a fallen angel.

Set during the struggle among the devils, fallen angels, and angels, the story follows the adventures of Issei Hyodo. 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. 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. Cover of the first DVD/Blu-ray volume of High School DxD as released by Media Factory on March 21, 2012.

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