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.
But if Arin-san is here,
Aber wenn Arin-san hier ist,
Pero si Arin-san se encuentra aquí,
Pero, si Arin-san se encuentra aquí,
Mais avec Arin ici,
Ma se Arin-san è qui,
Mas se a Arin-san está aqui,