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 |
|---|---|---|
| 同志 | 5 | 4.00 |
| 刑 | 5 | 4.36 |
| こてん | 5 | 5.26 |
| 怪訝 | 5 | 3.72 |
| 本性 | 5 | 4.20 |
| 何かあったの | 5 | 3.93 |
| 組み替え | 5 | 5.15 |
| うねうね | 5 | 4.87 |
| 長期 | 5 | 4.26 |
| 心の内 | 5 | 4.49 |
| 潤い | 5 | 4.91 |
| 照れ屋 | 5 | 5.10 |
| クラッと | 5 | 5.86 |
| 足を向ける | 5 | 4.68 |
| 呵々 | 5 | 4.29 |
| 半分冗談 | 5 | 5.37 |
| 悔しさ | 5 | 4.19 |
| シリーズ | 5 | 4.12 |
| 投じる | 5 | 4.12 |
| カップケーキ | 5 | 5.43 |
| 沿い | 5 | 4.04 |
| なんだかんだ言っても | 5 | 5.16 |
| コード | 5 | 4.26 |
| 引っ込む | 5 | 4.05 |
| 正直言って | 5 | 4.39 |
| 時刻 | 5 | 3.65 |
| 手軽 | 5 | 4.39 |
| 洗練 | 5 | 4.47 |
| 一に | 5 | 4.26 |
| 更け | 5 | 4.53 |
| 懇願 | 5 | 3.92 |
| 世路 | 5 | 3.93 |
| 併走 | 5 | 4.93 |
| ロケットスタート | 5 | 6.11 |
| 急ぎ足 | 5 | 4.75 |
| OFF | 5 | 5.64 |
| 風船 | 5 | 4.51 |
| 観る | 5 | 4.56 |
| であります | 5 | 3.78 |
| 地形 | 5 | 3.75 |
| 作業着 | 5 | 4.83 |
| ガタイ | 5 | 5.16 |
| 通用口 | 5 | 5.25 |
| 早口 | 5 | 4.32 |
| 何歳 | 5 | 4.57 |
| 樅 | 5 | 4.57 |
| 鰐 | 5 | 4.09 |
| 恥ずかしながら | 5 | 4.62 |
| 姿形 | 5 | 4.33 |
| はらはら | 5 | 4.79 |
| 骨盤 | 5 | 5.44 |
| 指導室 | 5 | 6.02 |
| 歓談 | 5 | 4.47 |
| ってのは | 5 | 3.25 |
| チュー | 5 | 4.61 |
| 虜 | 5 | 4.46 |
| 訝げ | 5 | 5.00 |
| 待合室 | 5 | 4.65 |
| 紛れる | 5 | 4.45 |
| 初耳 | 5 | 4.20 |
| 波瀾万丈 | 5 | 5.75 |
| ゴム跳び | 5 | 6.64 |
| 生徒会長 | 5 | 4.01 |
| 鼻腔 | 5 | 4.61 |
| まあいっか | 5 | 5.30 |
| せめてもの | 5 | 4.30 |
| ぼぼ | 5 | 5.09 |
| 日の入り | 5 | 5.39 |
| 八の字 | 5 | 5.01 |
| 略して | 5 | 4.79 |
| 透過 | 5 | 4.48 |
| 強請る | 5 | 4.47 |
| 晴れた空 | 5 | 5.36 |
| 返り | 5 | 4.46 |
| 触覚 | 5 | 4.65 |
| 最古 | 5 | 4.60 |
| やる気満々 | 5 | 4.59 |
| お代り | 5 | 4.21 |
| 跨ぐ | 5 | 4.36 |
| 付いてくる | 5 | 4.30 |
| 今こそ | 5 | 4.27 |
| スキンケア | 5 | 5.62 |
| ユーモア | 5 | 5.28 |
| 嘆息 | 5 | 3.95 |
| 並びに | 5 | 4.65 |
| 定 | 5 | 3.81 |
| 深刻 | 5 | 3.83 |
| カフェ | 5 | 4.18 |
| 面接 | 5 | 4.31 |
| 強制労働 | 5 | 5.00 |
| 愛でる | 5 | 4.22 |
| 羽毛 | 5 | 4.39 |
| 観測 | 5 | 4.12 |
| 冱えない | 5 | 4.65 |
| 握力 | 5 | 4.59 |
| 当の本人 | 5 | 4.31 |
| 男のコ | 5 | 6.21 |
| モロ | 5 | 5.34 |
| 目を奪われる | 5 | 4.79 |
| 慣らし | 5 | 4.74 |
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