Makikomarete Isekai Teni suru Yatsu wa, Taitei Cheat

During a lunch break, Yuzo Ogata, a male high school student, is suddenly transported to a fantasy world alongside four friends. A princess, who is a space-time magician from that world, explains they were summoned to defeat a Demon Lord and become heroes. Yuzo is confused when he notices his four companions appear unfazed, and the princess reveals a surprising detail: there should have only been four brave warriors. Yuzo is the unexpected fifth, having been summoned by mistake. The story explores how this unexpected development will affect his future in this new world.