While on the road to their field trip, Class 2-C's bus is enveloped in light, and the Goddess, Vicius, summons the students and their teacher to another world. The Goddess hopes to raise them as Heroes to defeat the Great Demon Empire, and she welcomes the students after appraising their abilities with her crystal. However, Mimori Touka is appraised as an E-Class, the lowest rank... and he's branded a trash hero.
Basically, you want us to defeat this 
Great Demon Empire or whatever it's called?
‫بمعنى آخر،
Das heißt, wir sollen diesen
Großen Dämonenkaiser besiegen?
Resumiendo, que quieres que venzamos
a ese Gran Imperio Demoníaco.
Resumiendo, que quieres que venzamos
a ese Gran Imperio Demoníaco.
Vous attendez donc de nous
qu’on terrasse cet empereur démoniaque ?
In pratica vuoi che sconfiggiamo
questo Grande Imperatore dei Demoni?
Em outras palavras,
Проще говоря, ты хочешь, чтобы мы победили
этого самого императора тьмы?