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 |
|---|---|---|
| 脇役 | 1 | 4.90 |
| 縁談 | 1 | 4.10 |
| 死に物狂い | 1 | 4.66 |
| 反射波 | 1 | 6.31 |
| 貝 | 1 | 4.21 |
| 配合率 | 1 | 6.22 |
| 放ったらかし | 1 | 4.74 |
| 不意を突く | 1 | 5.41 |
| 指紋認証 | 1 | 5.79 |
| 目に映る | 1 | 4.47 |
| 百人力 | 1 | 5.28 |
| 白昼堂々 | 1 | 5.29 |
| 立ち姿 | 1 | 4.64 |
| 和風 | 1 | 4.52 |
| 二足の草鞋 | 1 | 5.95 |
| 神経をすり減らす | 1 | 5.71 |
| 雑文 | 1 | 6.85 |
| マフラー | 1 | 4.46 |
| 密閉 | 1 | 4.75 |
| 突き落とす | 1 | 4.48 |
| 漕ぐ | 1 | 4.45 |
| 間髪置かず | 1 | 6.25 |
| チェックアウト | 1 | 5.45 |
| 寝転ぶ | 1 | 4.44 |
| 目に入れても痛くない | 1 | 5.43 |
| アジール | 1 | 5.74 |
| 風の吹き回し | 1 | 5.16 |
| 飛 | 1 | 3.74 |
| 歴史的 | 1 | 4.48 |
| 心穏やか | 1 | 4.99 |
| 会心の笑みを浮かべる | 1 | 5.95 |
| 女手一つで | 1 | 5.80 |
| 誤字脱字 | 1 | 4.12 |
| 腹が減る | 1 | 5.34 |
| おぶう | 1 | 5.44 |
| 頭が切れる | 1 | 5.53 |
| 横柄 | 1 | 4.80 |
| 刹那主義 | 1 | 6.49 |
| 縁を結ぶ | 1 | 5.18 |
| スワン | 1 | 4.98 |
| 射殺す | 1 | 5.17 |
| 握りつぶし | 1 | 5.11 |
| まあいいや | 1 | 4.44 |
| 自分の為に | 1 | 4.92 |
| 増築 | 1 | 4.23 |
| 天井裏 | 1 | 5.01 |
| 切れ者 | 1 | 5.06 |
| 書きなぐる | 1 | 5.54 |
| 模型 | 1 | 4.45 |
| ボタン | 1 | 3.99 |
| 恥らう | 1 | 5.61 |
| 蹴破る | 1 | 4.81 |
| 言い掛かり | 1 | 5.08 |
| 押し上げ | 1 | 4.59 |
| 待ち人 | 1 | 5.00 |
| 貴方方 | 1 | 4.99 |
| 電気ショック | 1 | 5.70 |
| 崇高 | 1 | 4.70 |
| ため息 | 1 | 3.17 |
| 米粒 | 1 | 5.12 |
| 聞くだけ野暮 | 1 | 6.18 |
| 邪気 | 1 | 4.46 |
| 建築業 | 1 | 6.57 |
| クリームシチュー | 1 | 5.00 |
| 糖分 | 1 | 4.87 |
| 過小評価 | 1 | 4.87 |
| 持って来る | 1 | 4.92 |
| 仄か | 1 | 4.02 |
| 二重スパイ | 1 | 5.76 |
| かれこれ | 1 | 4.64 |
| 通過儀礼 | 1 | 5.26 |
| 初投稿 | 1 | 5.29 |
| 商隊 | 1 | 4.22 |
| 丸分かり | 1 | 5.67 |
| 眉唾物 | 1 | 5.33 |
| 身寄り | 1 | 4.86 |
| うじゃうじゃ | 1 | 4.93 |
| 見間違い | 1 | 4.50 |
| 復習う | 1 | 5.11 |
| 引っ掻く | 1 | 4.52 |
| 述べ合う | 1 | 6.28 |
| 最上位 | 1 | 4.32 |
| 緊張状態 | 1 | 5.07 |
| 月夜 | 1 | 4.56 |
| 齧りつく | 1 | 5.38 |
| ぶらり | 1 | 5.62 |
| 解けない | 1 | 4.63 |
| 甲斐性無し | 1 | 5.98 |
| 仔牛 | 1 | 4.70 |
| 目板 | 1 | 3.85 |
| ジロジロ | 1 | 4.69 |
| 解禁 | 1 | 4.64 |
| 禁断 | 1 | 4.62 |
| 言葉を掛ける | 1 | 4.99 |
| 居心地の良い | 1 | 5.31 |
| 二つ目 | 1 | 4.11 |
| むき出し | 1 | 4.23 |
| 敗ける | 1 | 5.17 |
| 迷惑を掛ける | 1 | 4.98 |
| 横付け | 1 | 5.10 |
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