TASHA is cosplaying as Amaimon from Ao no Exorcist. Blue Exorcist (Ao no Ekusoshisuto) is a manga written and illustrated by Kazue Kato. The manga has been serialized in Jump Square magazine by Shueisha since April 2009, with individual chapters collected into six tankōbon volumes as of April 4, 2011. The one-shot of the manga was first featured in the September 2008 issue of Jump Square and was titled Miyamauguisu House Case. As of June 4, 2011, 25 chapters have been released in Japan.
Viz Media has licensed the manga for North American production, with the first volume released in April 5, 2011 and the fifth volume scheduled for release in December 6, 2011. Blue Exorcist has also been released in the Shonen Jump Advanced magazine starting April 5, 2011. The North American book distributor Simon & Schuster listed the first volume of Kazue Katō's Blue Exorcist manga for release by Viz Media this April 2011.