Hazure Waku no Joutai Ijou Skill de Saikyou ni Natta Ore ga Subete wo Juurin Suru Made

During the school trip Touka and his classmates are summoned to another world.
However, Touka was the only one with the lowest rank: E-rank – an extremely low status compared to his classmates. Thus the former mob-character and abandoned hero, will absolutely become the strongest devil as he advances and strikes back.