In a future Japan divided into several small nations after the collapse of civilization, this is a rise-to-power harem story depicting battles and adventures woven between the protagonist who has obtained the strongest level of power and several girls. The protagonist, who has time-slipped into a post-civilization-collapse future where special powers have become commonplace, takes up work as an "excavator," uncovering modern machine parts, products, metals and other items said to be relics from the mythological age based on memories and knowledge from that era. Furthermore, the protagonist encounters a beautiful girl in that land. This girl is the grown-up version of the neighbor's only daughter who was caught up in the time transfer before it happened—a young girl who adored him saying "I love you, big brother." That neighbor has become a Grand Duke ruling that land. ※Book version Volume 1 released on December 25, 2015. Book version Volume 2 released on February 25, 2016. Book version Volume 3 released on November 10, 2016.
| Word | Frequency | Difficulty |
|---|---|---|
| 冷んやり | 1 | 4.32 |
| ハート形 | 1 | 5.91 |
| 一生懸命 | 1 | 3.84 |
| 鉄拳 | 1 | 4.79 |
| この世 | 1 | 3.50 |
| 迎賓館 | 1 | 4.59 |
| 書状 | 1 | 4.13 |
| お出まし | 1 | 4.76 |
| 出かした | 1 | 5.02 |
| 吹きかける | 1 | 4.66 |
| よしよし | 1 | 4.11 |
| 知名度 | 1 | 4.50 |
| 抵抗感 | 1 | 4.92 |
| 選び | 1 | 3.89 |
| 直行 | 1 | 4.56 |
| 突きいれる | 1 | 6.55 |
| 浴びせかける | 1 | 4.79 |
| 冠辞 | 1 | 4.73 |
| 身構え | 1 | 4.32 |
| 期 | 1 | 3.93 |
| 男らしい | 1 | 4.33 |
| 確約 | 1 | 4.59 |
| 押し倒す | 1 | 4.27 |
| 注意事項 | 1 | 4.61 |
| 一場面 | 1 | 5.43 |
| ものである | 1 | 3.33 |
| 飯 | 1 | 3.57 |
| 遅延 | 1 | 4.64 |
| 丸腰 | 1 | 4.80 |
| 血のにじむよう | 1 | 5.80 |
| 抜き出す | 1 | 4.67 |
| 大統領 | 1 | 4.28 |
| 反動 | 1 | 3.82 |
| 桐箱 | 1 | 6.19 |
| 蒸らす | 1 | 5.32 |
| 足を止める | 1 | 4.17 |
| 作り笑い | 1 | 4.92 |
| 走りぬける | 1 | 6.10 |
| お預け | 1 | 4.51 |
| ようと | 1 | 4.57 |
| 脱落者 | 1 | 5.10 |
| 血液 | 1 | 3.95 |
| 煮立つ | 1 | 4.99 |
| 以南 | 1 | 5.32 |
| 煮炊き | 1 | 5.16 |
| 山梨 | 1 | 5.62 |
| 謝り | 1 | 4.17 |
| 申し | 1 | 4.18 |
| 建 | 1 | 4.09 |
| 眼中にない | 1 | 4.91 |
| 四天王 | 1 | 4.23 |
| 木漏れ日 | 1 | 4.71 |
| 必要最小限 | 1 | 5.13 |
| 来月 | 1 | 4.45 |
| 補佐 | 1 | 3.71 |
| 出し値 | 1 | 3.94 |
| 丸出し | 1 | 4.42 |
| 信条 | 1 | 4.65 |
| 体で覚える | 1 | 6.07 |
| 絶体絶命 | 1 | 4.61 |
| 甚い | 1 | 3.90 |
| かん | 1 | 4.46 |
| クギ | 1 | 5.84 |
| 損傷 | 1 | 4.11 |
| 方向転換 | 1 | 4.44 |
| 背筋 | 1 | 3.62 |
| ヒラヒラ | 1 | 4.63 |
| フィルム | 1 | 5.22 |
| 下の毛 | 1 | 6.04 |
| 終始 | 1 | 4.16 |
| 時点 | 1 | 3.13 |
| てめぇ | 1 | 3.65 |
| 揚げ | 1 | 4.43 |
| ケーブル | 1 | 4.88 |
| 制御 | 1 | 3.36 |
| 相関 | 1 | 5.92 |
| たぐい稀 | 1 | 6.48 |
| 撓める | 1 | 5.18 |
| ヅラ | 1 | 5.16 |
| 綻ぶ | 1 | 4.10 |
| 一掃 | 1 | 4.24 |
| 飾り立てる | 1 | 4.86 |
| 吐き気 | 1 | 4.23 |
| たび重なる | 1 | 6.16 |
| 御託 | 1 | 5.05 |
| 家臣 | 1 | 3.60 |
| つかの間 | 1 | 4.74 |
| 名づけ | 1 | 4.91 |
| ジジイ | 1 | 4.14 |
| 牧歌的 | 1 | 5.10 |
| 掛け図 | 1 | 4.55 |
| 全力疾走 | 1 | 4.43 |
| フランク | 1 | 4.48 |
| 細腕 | 1 | 4.75 |
| 手立て | 1 | 4.41 |
| 風を切る | 1 | 4.78 |
| 感情表現 | 1 | 4.96 |
| 冊 | 1 | 4.22 |
| 道楽 | 1 | 4.90 |
| 愚 | 1 | 4.39 |
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