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.
These are the best summoning 
results we've ever had!
‫هذا أفضل نتائج استدعاء حصلنا عليها حتى الآن!
Das ist das größte und beste
Beschwörungsergebnis aller Zeiten!
Es la mejor invocación
que jamás haya visto.
Es la mejor invocación
que jamás haya visto.
Ce sont les meilleurs résultats
que nous ayons jamais eus !
Questi sono i risultati migliori mai ottenuti!
Esses são os melhores resultados
de invocação que já tivemos!
А это самый лучший призыв
за всю историю!