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.
When you're summoned, 
every hero is granted a unique item.
‫يحصل جميع الأبطال على أداة فريدة عند استدعائهم.
Wenn ein Held beschworen wird,
erhält er einen einzigartigen Gegenstand.
Al invocarlos, se les concede
a cada uno un objeto único.
Al invocaros, se os concede
a cada uno un objeto único.
Lorsque vous êtes invoqué,
vous recevez chacun un objet unique.
Quando viene evocato,
ogni eroe ha con sé un Oggetto Esclusivo.
Quando você é invocado, cada
herói recebe um item exclusivo.
Во время призыва
героям раздаются уникальные предметы.