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...
If you don't shape up, you're going to flunk
your aria qualification exam!
إن لم تُحسّن من وضعك، فستفشل
!في امتحان الآريا التّأهيليّ
Wenn du so weitermachst, wirst du
deine Aria-Zulassungsprüfung vermasseln.
Si sigues así,
suspenderás el examen de Aria.
A este paso,
suspenderás el examen de Aria.
Vu ton attitude,
tu échoueras à l’examen d’Aria !
Se continui così, fallirai l'esame 
per la qualifica di Aria!
Se continuar assim, você vai rodar
no exame de qualificação de árias.
Продолжишь в том же духе —
получишь «неуд» как хорист!
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