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.
Even though it's Arata-san 
we're talking about,
Selbst Arata-san dürfte nach so etwas
nicht mehr viel Magie übrig haben.
Aunque hablemos de Arata,
Aunque hablemos de Arata,
Même pour Arata, ça demandait
plus d’énergie qu’il n’en avait.
Anche se si tratta di Arata-san,
Mesmo se tratando do Arata-san,