Season 0

Yukio is counting the moles on his body in the bathroom of the dorm, but suddenly notices a strange pattern of moles that hasn't been there before...

Yukio isn't sure if its a dream or the future, but an old family photo of Shiemi with her mother and grand-mother leaves him surprised...

Rin is hiding his long tail that is wrapped around his chest and takes a prank on Shiemi too far...

Mephisto, Amaimon and Behemoth are playing video games and eating snacks, but Amaimon's hunger knows no bounds...

A day in the life of Sugaro is more than it seems...

Feeling slighted by Rin, Kuro goes on the hunt for a new master, but can he find anyone who can truly replace Rin?

Shima phones a friend while "facing this year's biggest crisis"...

Izumo plays with Kuro...

A day in the life of Mephisto in his dog form...

Yukio vs. the cockroach demon...

The first day Reiji Shiratori goes to school after the accident...

Bundled with the 19th volume of the Blue Exorcist manga.

Based on the title chapter from the Ao no Exorcist: Spy Game short story collection novel.