OVA 3

'''Spy Game (スパイ・ゲーム) is the 3rd OVA for the Ao no Exorcist series. It is based on the second chapter of the novel Spy Game written by Kazue Katō and Aya Yajima with the same title. The story centers around Renzo Shima's perspective during his early days as a spy at True Cross Academy.

The OVA was first released on DVD format with the limited edition of the 20th volume of the manga on October 4th, 2017 in Japan.

Sypnosis
Renzo Shima has just gotten used to his new surroundings at the True Cross Academy, and is tested by Mephisto Pheles with three tasks to see if he is worthy of being Mephisto's double-agent spy.

Trivia

 * The OVA also contains the opening and ending theme songs for the Kyoto Saga, Itteki no Eikyō by UVERworld and Kono Te de by Rin Akatsuki.