Saikyo Ranking Ga Aru Isekai Ni Seito Tachi to Shudan Teni Shita Koko Kyoshi No Ore, Mob Kara Ken Hijiri He to Nariagaru (Fujimi Fantasia Bunko) [Light Novel]

[Machine Translation] -The "Strongest Ranking". In another world where people's strength is ranked according to their ranking, a high school teacher, Shigeto Kusunoki, is transferred to another world. While his students are gaining cheat abilities, Shigeto, with his meager abilities, is far below them in the rankings. Still, in order to save his student Yuzuki, who is in dire straits, Shigeto goes to a lair of demons from which it is difficult to return alive. In the midst of despair, his only remaining weapon, the swordsmanship he has been training since before his transfer, has extraordinary power here. I..." "I don't care about you..." "I don't care about you. While protecting Yuzuki, who adores him, and continuing to slay his enemies, Shigeto's ranking soon reaches extraordinary heights, and his name begins to be known around the world. This is the story of a mob teacher who became a sword saint by dominating the other world with a single sword.

―“最強ランキング”。その順位により人々の強さが序列づけられる異世界に、高校教師・楠木重人は転移した。生徒達がチート能力を得る一方、貧弱な能力の重人は順位も遙か下位。それでも窮地に陥った教え子・結月を救うべく、重人は生還困難な魔物の巣窟へ赴く。絶望の中、唯一残った武器、転移前から鍛えていた剣術がここでは規格外の力を秘めていて―「私のために自分を犠牲に...そんな先生のこと、私...」自分を慕う結月を護って敵を斬り続ける内に、いつしか重人の順位は桁違いの高みに至り、世界中にその名が轟き始める。それはモブ教師が剣一本で異世界を無双し、剣聖へ至る物語。