The man once called the world's strongest agent became an educator training the next generation upon his retirement. After raising disciples and passing sixty years of age, he dies in an operation orchestrated by those in power above him, but is reborn into another world while retaining his memories. Though surprised by different races and magic, he adapts with his characteristic quick thinking, turning everything into his own sustenance. As he masters special magic and continues rigorous training, he reaches the strongest level of power, but decides to pursue the path of educator once more—something he left unfinished in his previous life. This is the story of an educator who, based on the memories and experiences of his former life, travels the world together with his disciples.
| Word | Frequency | Difficulty |
|---|---|---|
| いざと言う時 | 1 | 5.23 |
| 吹っ切る | 1 | 5.14 |
| 踏み潰す | 1 | 5.00 |
| 有力者 | 1 | 4.36 |
| 掠れ声 | 1 | 5.80 |
| 夕 | 1 | 4.11 |
| 煮付け | 1 | 5.24 |
| あってこその | 1 | 4.99 |
| 心を砕く | 1 | 5.57 |
| 聞くところによると | 1 | 4.94 |
| 胸倉を掴む | 1 | 5.63 |
| 共食い | 1 | 4.95 |
| 伏線回収 | 1 | 5.96 |
| 秋 | 1 | 3.57 |
| 歯ブラシ | 1 | 5.07 |
| 盗み見 | 1 | 4.92 |
| 四六時中 | 1 | 4.62 |
| お好み焼 | 1 | 6.06 |
| 切り倒す | 1 | 4.58 |
| ぽんぽん | 1 | 4.28 |
| 風味 | 1 | 3.98 |
| 吹きかける | 1 | 4.66 |
| 魚釣り | 1 | 5.08 |
| 河原 | 1 | 4.61 |
| 持ち方 | 1 | 5.03 |
| フリル | 1 | 4.45 |
| 15 | 1 | 3.52 |
| 金袋 | 1 | 5.70 |
| 神輿 | 1 | 4.80 |
| 夫婦仲 | 1 | 5.12 |
| コードネーム | 1 | 5.15 |
| ジャンプ力 | 1 | 5.49 |
| ガックリ | 1 | 4.75 |
| 駄目出し | 1 | 5.04 |
| 勇気付け | 1 | 5.53 |
| 新婚初夜 | 1 | 5.84 |
| ずんぐりむっくり | 1 | 5.33 |
| 縛りあげる | 1 | 5.40 |
| 煌く | 1 | 4.58 |
| 冊子 | 1 | 4.32 |
| 関 | 1 | 4.46 |
| 天にも昇る心地 | 1 | 6.10 |
| 持続可能 | 1 | 6.36 |
| 法則性 | 1 | 5.17 |
| 持ち逃げ | 1 | 5.13 |
| 漢字 | 1 | 4.31 |
| 男親 | 1 | 5.44 |
| 読みで | 1 | 5.27 |
| 締切り | 1 | 6.48 |
| 骨になる | 1 | 6.01 |
| 着の身着のまま | 1 | 4.98 |
| 発祥地 | 1 | 6.26 |
| 艶々 | 1 | 4.67 |
| どうしたら | 1 | 4.28 |
| 証拠書類 | 1 | 6.00 |
| 大道芸 | 1 | 5.10 |
| 巨人 | 1 | 3.27 |
| 変わり身 | 1 | 5.06 |
| 冷却 | 1 | 4.52 |
| 死に方 | 1 | 4.61 |
| 様変わり | 1 | 4.73 |
| まっ平ら | 1 | 5.78 |
| 修羅 | 1 | 4.21 |
| 南無 | 1 | 4.77 |
| 待ち遠しい | 1 | 4.71 |
| 何てこと | 1 | 4.76 |
| 彼奴等 | 1 | 5.27 |
| 主題 | 1 | 5.10 |
| 食べつくす | 1 | 6.07 |
| 若々しい | 1 | 4.56 |
| ほいほい | 1 | 4.97 |
| 声帯 | 1 | 4.95 |
| 吉 | 1 | 3.85 |
| 聞きよう | 1 | 5.34 |
| たがる | 1 | 5.78 |
| 希少価値 | 1 | 4.88 |
| 生活面 | 1 | 5.52 |
| 配色 | 1 | 5.15 |
| 集計 | 1 | 4.94 |
| 言葉を失う | 1 | 4.55 |
| 神経を使う | 1 | 5.28 |
| 思いあがり | 1 | 6.19 |
| なす術 | 1 | 4.84 |
| 十時 | 1 | 4.71 |
| 創作 | 1 | 4.36 |
| 二重スパイ | 1 | 5.76 |
| 皺が寄る | 1 | 5.22 |
| 片足立ち | 1 | 5.75 |
| 勿体ぶる | 1 | 4.79 |
| 取り付く島もない | 1 | 5.32 |
| 息む | 1 | 5.69 |
| 滅相も無い | 1 | 6.05 |
| 怒鳴り声 | 1 | 4.41 |
| になって初めて | 1 | 5.13 |
| 目の色を変える | 1 | 5.51 |
| 生臭 | 1 | 5.02 |
| 再教育 | 1 | 5.11 |
| 裏腹 | 1 | 3.95 |
| 鳩 | 1 | 4.46 |
| 緊急事態 | 1 | 4.23 |
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