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 Mephisto might know how to keep
someone from seeing any demons.
قد يعرف مفيستو ذاك طريقة ما
.لمنع شخص ما من رؤية الشّياطين
Vielleicht weiß ja Mephisto, wie man dafür
sorgen kann, dass man keine Dämonen mehr sieht.
Mephisto quizás sepa
cómo dejar de ver a los demonios.
Mephisto quizás sepa
cómo dejar de ver a los demonios.
Méphisto connaîtra peut-être
un moyen de ne plus voir les démons, lui…
Mephisto potrebbe davvero conoscere 
un modo per smettere di vedere i demoni...
O Mephisto pode saber um jeito
de evitar alguém de ver demônios.
Чует моё сердце… Мефисто
знает, как развидеть демонов!
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