Sokushi Cheat ga Saikyou Sugite, Isekai no Yatsura ga Marude Aite ni Naranaindesu ga.

During a school trip, high school students are suddenly transported to a parallel world, where an enigmatic "sage" offers each of them an overwhelming power. All, except Tomochika and Takatô, who, deemed incapable, were cowardly abandoned and left as bait to distract the dragon that attacked them. At the mercy of all dangers, the young man is then revealed to possess an ability that transcends all limits of this universe. This in turn awakens the curiosity of the government, determined to seize it by all means…