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 |
|---|---|---|
| 敗ける | 1 | 5.17 |
| 身の安全 | 1 | 4.39 |
| ず | 1 | 4.04 |
| つけ込む | 1 | 4.86 |
| 寝癖 | 1 | 4.81 |
| 掻い摘む | 1 | 5.02 |
| 勇気付け | 1 | 5.53 |
| 輸送手段 | 1 | 5.46 |
| 後れをとる | 1 | 5.64 |
| サマーソルト | 1 | 6.07 |
| はみ出る | 1 | 4.89 |
| 第一印象 | 1 | 4.52 |
| 本業 | 1 | 4.63 |
| 特大 | 1 | 4.32 |
| 全く以て | 1 | 5.29 |
| 遠慮のない | 1 | 4.99 |
| 効果覿面 | 1 | 5.31 |
| ストレス解消 | 1 | 5.14 |
| 対手 | 1 | 4.61 |
| 訪問 | 1 | 3.76 |
| 丁度よい | 1 | 5.50 |
| 後光 | 1 | 4.85 |
| 海側 | 1 | 5.07 |
| 重要参考人 | 1 | 5.56 |
| 空飛ぶ | 1 | 4.26 |
| 乾かす | 1 | 4.37 |
| 朴念仁 | 1 | 5.05 |
| 縦横無尽 | 1 | 4.31 |
| 禊 | 1 | 5.17 |
| 騙し打ち | 1 | 6.07 |
| 女手一つで | 1 | 5.80 |
| 活火山 | 1 | 5.35 |
| 目を凝らす | 1 | 4.60 |
| 正月 | 1 | 4.52 |
| 赤面 | 1 | 4.32 |
| 後手に回る | 1 | 5.28 |
| 空っぽ | 1 | 4.20 |
| 汲み取る | 1 | 4.74 |
| アヒル | 1 | 4.93 |
| すれすれ | 1 | 4.68 |
| 無機物 | 1 | 4.79 |
| 艶々 | 1 | 4.67 |
| 追い越し | 1 | 4.70 |
| 主人に仕える | 1 | 6.06 |
| 声帯 | 1 | 4.95 |
| 無重力 | 1 | 4.94 |
| 止まない | 1 | 4.63 |
| 実体験 | 1 | 4.81 |
| 星夜 | 1 | 4.35 |
| こだわる | 1 | 4.12 |
| 引っ越し | 1 | 4.29 |
| 悟りを開く | 1 | 6.14 |
| 聞くも涙、語るも涙 | 1 | 6.29 |
| 唐木瓜 | 1 | 6.31 |
| 裏切り者 | 1 | 4.15 |
| 波涛 | 1 | 5.07 |
| 乳繰る | 1 | 5.74 |
| 楽観視 | 1 | 4.78 |
| 抑え込み | 1 | 4.90 |
| うだつが上がらない | 1 | 6.57 |
| 領土 | 1 | 3.72 |
| 拝送 | 1 | 4.75 |
| 通過儀礼 | 1 | 5.26 |
| それに加えて | 1 | 4.20 |
| 組み合う | 1 | 5.08 |
| 些か | 1 | 4.15 |
| 調子付く | 1 | 5.80 |
| 引き摺る | 1 | 4.33 |
| 苦虫 | 1 | 4.74 |
| あっての | 1 | 4.12 |
| 一歩先 | 1 | 5.20 |
| 御々 | 1 | 5.26 |
| 花火 | 1 | 4.08 |
| 淀みない | 1 | 5.28 |
| 筋肉隆々 | 1 | 5.31 |
| 旅先 | 1 | 4.78 |
| 座す | 1 | 4.33 |
| 外面 | 1 | 4.64 |
| 新人教育 | 1 | 5.44 |
| アシスト | 1 | 4.57 |
| 年配者 | 1 | 5.57 |
| 道場破り | 1 | 5.16 |
| 技法 | 1 | 4.59 |
| 合挽き肉 | 1 | 6.55 |
| 航空機 | 1 | 4.48 |
| 関 | 1 | 4.46 |
| 香る | 1 | 4.62 |
| すり抜ける | 1 | 4.01 |
| 食い入るように | 1 | 4.49 |
| 温度差 | 1 | 4.79 |
| ルール化 | 1 | 6.05 |
| 岩石 | 1 | 4.19 |
| 穢れる | 1 | 4.66 |
| 猫撫で声 | 1 | 5.55 |
| 数的 | 1 | 5.04 |
| 原動力 | 1 | 4.71 |
| 縮小 | 1 | 4.43 |
| オリジナルダンス | 1 | 7.29 |
| 付け所 | 1 | 5.98 |
| 半分冗談 | 1 | 5.37 |
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