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

Touka always faded into the background at school. And when hes summoned to another world with his classmates, that still doesnt change! They all acquire top-rank skills, except Touka, whos deemed a failure and cast to ancient ruins by the goddess Vicius. Turns out, his low-rank skills may not be so useless after all. Now, he seeks revenge against the goddess, and his true nature is reveale...