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 |
|---|---|---|
| 火を点ける | 3 | 4.88 |
| 近所 | 3 | 3.94 |
| 乗り物 | 3 | 4.23 |
| 稼業 | 3 | 4.52 |
| 食す | 3 | 4.88 |
| 他用 | 3 | 4.13 |
| 向かい合わせ | 3 | 4.95 |
| 変質 | 3 | 4.21 |
| 水辺 | 3 | 4.65 |
| あちらこちら | 3 | 4.26 |
| 仕打ち | 3 | 4.35 |
| 一石二鳥 | 3 | 4.55 |
| 一網打尽 | 3 | 4.60 |
| 流行る | 3 | 4.15 |
| 骨付き | 3 | 5.01 |
| 一攫千金 | 3 | 4.88 |
| 砂塵 | 3 | 4.55 |
| 評判 | 3 | 3.70 |
| 北西 | 3 | 4.27 |
| 追記 | 3 | 4.37 |
| 向上心 | 3 | 4.73 |
| 冗談じゃない | 3 | 4.38 |
| 恥知らず | 3 | 4.71 |
| そうした | 3 | 3.31 |
| 切り込む | 3 | 4.46 |
| 甘んじる | 3 | 4.37 |
| 幸せ者 | 3 | 4.84 |
| アニマルセラピー | 3 | 5.97 |
| 生き続ける | 3 | 4.91 |
| 大義名分 | 3 | 4.39 |
| 焦らずに | 3 | 5.25 |
| 混雑 | 3 | 4.48 |
| それ等 | 3 | 4.98 |
| 後先 | 3 | 4.84 |
| 科学者 | 3 | 4.65 |
| 主賓 | 3 | 4.81 |
| 均等 | 3 | 4.57 |
| 瞬間的 | 3 | 4.27 |
| に付き | 3 | 3.90 |
| 介護 | 3 | 4.83 |
| 濃 | 3 | 4.46 |
| 上の空 | 3 | 4.71 |
| 破目 | 3 | 4.11 |
| 貫き通す | 3 | 4.82 |
| 担任の先生 | 3 | 5.23 |
| 誕生日 | 3 | 3.79 |
| 早見表 | 3 | 6.34 |
| ドーム状 | 3 | 4.80 |
| 首筋 | 3 | 3.80 |
| 頭が痛い | 3 | 4.47 |
| 喧騒 | 3 | 4.09 |
| インタビュー | 3 | 4.82 |
| 呑み込む | 3 | 4.00 |
| 残さず | 3 | 4.35 |
| 太っ腹 | 3 | 4.94 |
| 試作 | 3 | 4.10 |
| 被り | 3 | 4.26 |
| 強み | 3 | 4.35 |
| 犠牲者 | 3 | 4.13 |
| さらさら | 3 | 4.18 |
| 島流し | 3 | 5.44 |
| せこい | 3 | 5.25 |
| 端的 | 3 | 4.05 |
| 高望み | 3 | 5.01 |
| 上半身を起こす | 3 | 5.19 |
| 名付ける | 3 | 4.30 |
| 湧き上がる | 3 | 4.31 |
| 静観 | 3 | 4.50 |
| サボる | 3 | 4.17 |
| 事務的 | 3 | 4.59 |
| 頭突き | 3 | 4.24 |
| じまう | 3 | 4.32 |
| 動詞 | 3 | 4.19 |
| 身内贔屓 | 3 | 5.44 |
| 非常食 | 3 | 4.95 |
| 直立不動 | 3 | 4.60 |
| 偽者 | 3 | 4.31 |
| でも無い | 3 | 4.13 |
| 押し込み | 3 | 4.81 |
| 抜かり | 3 | 4.67 |
| 寝言 | 3 | 4.48 |
| 対照的 | 3 | 3.99 |
| よく考えたら | 3 | 4.56 |
| 抜け殻 | 3 | 4.70 |
| 修繕 | 3 | 4.43 |
| 戦果 | 3 | 3.96 |
| 鼻の下 | 3 | 4.66 |
| 団体 | 3 | 4.24 |
| クジ | 3 | 4.91 |
| 知る限り | 3 | 4.26 |
| リスト | 3 | 3.92 |
| 雪花 | 3 | 5.54 |
| 持って行く | 3 | 4.38 |
| 沪取 | 3 | 6.85 |
| 不用意 | 3 | 4.23 |
| 宿帳 | 3 | 5.71 |
| 猿 | 3 | 3.64 |
| 道なき道 | 3 | 5.07 |
| 着席 | 3 | 4.38 |
| 契り | 3 | 4.76 |
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