"Unknown" is a mysterious enemy that suddenly appeared a long time ago. As a countermeasure, the "Evolutionary Railway Development Agency" (ERDA) has developed the "Shinkalion" robot that transform into bullet trains, to prepare for the threat. "I want to be a cool person who can protect something..." Taisei Oonari, a second-year junior high school student, transfers to Shinkai Gakuen Middle School in search of clues about his older sister who disappeared two years ago. Just then, the Unknown appears for the first time in 10 years. Taisei happens to have a high aptitude value as a Shinkalion pilot, and is forced to make a decision to fight it. What is the true nature of the Unknown and what is its purpose? What is the truth that comes to light at the end of the fight? The story of the boys' determination and growth begins now. (Source: Official Website, translated) Note: Relations are provisional and will be updated when more info is announced.
| Word | Frequency | Difficulty |
|---|---|---|
| あい | 7 | 3.89 |
| 中学生 | 7 | 4.11 |
| 選ぶ | 7 | 2.84 |
| どうやって | 7 | 3.23 |
| ゆっくり | 7 | 2.72 |
| 式 | 7 | 3.25 |
| 合同 | 7 | 4.23 |
| 十才 | 7 | 5.28 |
| 伏せ | 7 | 3.66 |
| くじ | 7 | 4.87 |
| 見様 | 7 | 3.25 |
| 厭々 | 7 | 3.29 |
| 焦る | 7 | 3.35 |
| ナポリタン | 7 | 5.15 |
| 手本 | 7 | 4.59 |
| 使節 | 7 | 4.76 |
| なあ | 7 | 2.86 |
| そりゃ | 7 | 3.16 |
| 大きな | 7 | 2.50 |
| 0 | 7 | 3.08 |
| 秘処 | 7 | 6.66 |
| 例外 | 7 | 3.62 |
| 改めて | 7 | 3.04 |
| 事態 | 7 | 3.11 |
| とく | 7 | 3.39 |
| 本気で | 7 | 3.19 |
| 副 | 7 | 3.48 |
| 的 | 7 | 2.51 |
| 鳥 | 7 | 3.14 |
| 開通 | 7 | 4.83 |
| 着く | 7 | 3.05 |
| でもある | 7 | 2.97 |
| 急ぐ | 7 | 3.42 |
| 他我 | 7 | 3.20 |
| ません | 7 | 3.24 |
| 先ほど | 7 | 2.88 |
| 蒸気機関車 | 7 | 5.40 |
| 男子 | 7 | 3.54 |
| 丸で | 7 | 2.60 |
| 抔 | 7 | 2.04 |
| ほうほう | 7 | 4.47 |
| 似 | 7 | 3.28 |
| 短期間 | 7 | 4.10 |
| 買う | 7 | 2.81 |
| 作り | 7 | 3.14 |
| 捜す | 7 | 3.93 |
| あの人 | 7 | 3.29 |
| こんなに | 7 | 3.14 |
| 木場 | 7 | 5.52 |
| 運用 | 7 | 3.72 |
| 割 | 7 | 3.87 |
| 博多 | 7 | 5.25 |
| 失礼します | 7 | 3.77 |
| どうしても | 7 | 3.16 |
| 覚える | 7 | 3.07 |
| 町 | 7 | 2.83 |
| やない | 7 | 4.25 |
| お互い | 7 | 3.30 |
| 撃破 | 7 | 3.78 |
| 急いで | 7 | 3.33 |
| お疲れさま | 7 | 4.25 |
| 興味 | 7 | 2.96 |
| 伝える | 7 | 2.98 |
| 正確 | 7 | 3.19 |
| 良かったら | 7 | 3.96 |
| 生徒 | 7 | 2.99 |
| 感謝 | 7 | 2.96 |
| 組む | 7 | 3.12 |
| 検査 | 7 | 4.11 |
| 現実 | 7 | 3.06 |
| 今のところ | 7 | 3.44 |
| 妹 | 7 | 2.85 |
| 撃退 | 7 | 3.82 |
| 負ける | 7 | 3.03 |
| 現場 | 7 | 3.55 |
| どっち | 7 | 3.48 |
| 卓 | 7 | 3.97 |
| ところで | 7 | 2.57 |
| 単皮 | 7 | 4.27 |
| 諦める | 7 | 3.20 |
| 自主練 | 7 | 5.27 |
| 交配 | 7 | 4.99 |
| 久しぶり | 7 | 3.40 |
| 回復 | 7 | 2.68 |
| 司令室 | 8 | 4.70 |
| アラート | 8 | 5.18 |
| 油断 | 8 | 3.37 |
| レール | 8 | 4.49 |
| バス | 8 | 3.66 |
| 見つける | 8 | 2.80 |
| 爺ちゃん | 8 | 3.86 |
| う歯 | 8 | 4.60 |
| 特訓 | 8 | 3.95 |
| 信念 | 8 | 4.23 |
| 助かる | 8 | 3.03 |
| 読む | 8 | 2.89 |
| 新 | 8 | 3.32 |
| おかしい | 8 | 2.76 |
| ふん | 8 | 3.34 |
| 大学 | 8 | 3.68 |
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