The ultimate demon lord, Astral Trinity, shows up in the form of Arata with a grotesque new appearance. Hijiri appears as well, and the others discover that she is a high-level mage whose goal is to kill Arata and destroy the school.
No, the demon lord is controlling this world,
Nein, der Teufel
kontrolliert diese Welt,
No, es porque el control 
que el rey demonio tiene
No, es porque el control 
que el Rey Demonio tiene
Non, le maître magicien contrôle
maintenant ce monde à la place d’Ilia.
no, il Signore dei Demoni 
sta controllando questo mondo
Não, o lorde demônio está 
controlando esse mundo,