Ura Ex, extra short anime included in Blu-ray and the DVD releases of Ao no Exorcist.
Synonyms: Ao no Exorcist Specials, Ao no Exorcist: Ura Eku, Ao no Futsumashi, Blue Exorcist Specials, Ao no Exorcist Omake, 青の祓魔師(エクソシスト) 裏エク
Status: Finished Airing
Country: Japanese
Released: 2011
Season: Special