Rin Okumura, a boy aiming to become an exorcist yet born the illegitimate son of the demon god Satan, advises his classmate Sei Godaiin, who begins to see demons. Despite Rin asking Ryuji Suguro and the other Exwires attending the Exorcism Cram School for a way to make demons invisible, he is unable to find a solution. Meanwhile, Rin is invited to dinner by Mephisto Pheles, the Preceptor of the Japan Branch of the Knights of the True Cross and director of the True Cross Academy. However...
That's a spirit that's possessed
the painting! A shape-shifter!
!إنّها روح تستحوذ على اللّوحة
!روح متغيّرة الشّكل
Das ist ein mimetischer Geist, der Besitz von
dem Bild ergriffen hat, ein „Shapeshifter“!
Un espíritu cambiaformas
poseyó el cuadro.
Un espíritu cambiaformas
ha poseído el cuadro.
Ce tableau est possédé
par un métamorphe, un shapeshifter !
Quello è uno shapeshifter, 
uno spirito mimetico che ha posseduto il quadro!
Tem um espírito que possuiu
a pintura! Um shape-shifter!
Картина была всего лишь личиной!
Против нас доппельгангер!