The protagonist, reborn in a different world, raises his twin sister who was born with him, making use of his knowledge from his previous life. At first, unable to even communicate with words, the protagonist struggles desperately while studying hard! In contrast, his little sister is a genius beautiful girl who grows at a furious pace. But escalating even more than that is her love for big brother♪ ……Will he be able to guide his little sister in the right direction? We will bring you his desperate struggle in great detail, starting from age 0……really, very carefully indeed. By the way, big brother, aren't you also growing in quite a strange direction? ※If you click the title image of each episode...?
| Word | Frequency | Difficulty |
|---|---|---|
| ブックカバー | 5 | 5.93 |
| 挙げ句 | 5 | 4.26 |
| むっと | 5 | 4.47 |
| 考えにくい | 5 | 4.31 |
| 試合終了 | 5 | 4.88 |
| ボディ | 5 | 4.25 |
| 裏面 | 5 | 4.96 |
| イノセント | 5 | 5.53 |
| 歓談 | 5 | 4.47 |
| 足し算 | 5 | 5.12 |
| 行事 | 5 | 4.17 |
| お安い御用 | 5 | 4.94 |
| 本戦 | 5 | 4.51 |
| なさいます | 5 | 4.40 |
| ハンマー | 5 | 3.88 |
| 充分 | 5 | 3.42 |
| ってのは | 5 | 3.25 |
| 噛みつく | 5 | 4.09 |
| 招待状 | 5 | 4.22 |
| 笑い合う | 5 | 4.62 |
| 行政 | 5 | 4.55 |
| 極み | 5 | 4.29 |
| 澄み切った | 5 | 5.01 |
| ビスクドール | 5 | 5.54 |
| 急ブレーキ | 5 | 5.11 |
| 耳鳴り | 5 | 4.75 |
| 用具 | 5 | 4.95 |
| 匹 | 5 | 3.09 |
| 全くもう | 5 | 4.79 |
| グッジョブ | 5 | 4.95 |
| 内緒話 | 5 | 4.65 |
| 羽毛 | 5 | 4.39 |
| 恋 | 5 | 3.39 |
| 団体 | 5 | 4.24 |
| 8 | 5 | 3.28 |
| 合歓 | 5 | 4.88 |
| 行き止まり | 5 | 4.36 |
| 擦れ | 5 | 4.91 |
| プレ | 5 | 4.93 |
| 晴天 | 5 | 4.67 |
| 男心 | 5 | 5.06 |
| ミキサー | 5 | 5.16 |
| 一等 | 5 | 4.62 |
| 頬骨 | 5 | 5.45 |
| 足りとも | 5 | 4.14 |
| ホワイトブリム | 5 | 5.70 |
| お祈り | 5 | 4.35 |
| 荒 | 5 | 4.03 |
| 嘆く | 5 | 3.87 |
| 総勢 | 5 | 4.28 |
| 創作 | 5 | 4.36 |
| 射撃場 | 5 | 5.59 |
| 軍事 | 5 | 3.96 |
| 強請る | 5 | 4.47 |
| ひと足早い | 5 | 5.98 |
| 蒸し返す | 5 | 4.83 |
| 炭 | 5 | 4.10 |
| 旋毛 | 5 | 5.09 |
| 大はしゃぎ | 5 | 5.01 |
| がちゃりと | 5 | 4.82 |
| 半眼 | 5 | 4.65 |
| ドリンク | 5 | 4.64 |
| 入れ換え | 5 | 5.76 |
| 発売日 | 5 | 4.55 |
| ポシェット | 5 | 4.99 |
| 付いてくる | 5 | 4.30 |
| 世路 | 5 | 3.93 |
| コーティング | 5 | 4.55 |
| 言いにくい | 5 | 4.59 |
| 返り | 5 | 4.46 |
| 気弱 | 5 | 4.43 |
| 大好評 | 5 | 4.58 |
| 死にそう | 5 | 4.20 |
| 手綱 | 5 | 3.89 |
| 赤色 | 5 | 4.17 |
| 目当て | 5 | 3.87 |
| 中学 | 5 | 3.96 |
| 押し絵 | 5 | 5.06 |
| アナウンス | 5 | 4.21 |
| 下穴 | 5 | 6.28 |
| 腹違い | 5 | 4.89 |
| 已まない | 5 | 4.49 |
| 生家 | 5 | 4.67 |
| 例のごとく | 5 | 5.32 |
| ボロ | 5 | 4.47 |
| 野牛 | 5 | 5.43 |
| 遥か | 5 | 3.91 |
| 慰める | 5 | 4.03 |
| 定か | 5 | 4.17 |
| 地位 | 5 | 3.45 |
| 破壊 | 5 | 2.94 |
| 有って無い | 5 | 4.91 |
| 用がある | 5 | 4.33 |
| 呼ばわり | 5 | 4.19 |
| 太め | 5 | 4.98 |
| 何かあったの | 5 | 3.93 |
| 地球人 | 5 | 4.31 |
| ピンポン球 | 5 | 5.80 |
| 画人 | 5 | 4.55 |
| つま先立ち | 5 | 5.60 |
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