Failure Frame: I Became the Strongest and Annihilated Everything With Low-Level Spells

Mimori Touka has always been something of a background character in his high school. So when he and his classmates are summoned to a fantasy land and gifted with incredible skills, it seems like the perfect opportunity to make a name for himself. The only problem? Mimori's skills are abysmal at best, and he's banished to a deadly dungeon. But as he begins to test these new abilities, he discovers that he's actually quite strong.