Kazuyoshi won a massive lottery prize of 4 billion yen from a lottery ticket he bought on a whim. To escape from hyenas who caught the scent of money from somewhere, Kazuyoshi takes refuge in an old mansion that has been passed down through his family for generations. While investigating the inside of the mansion where he's hiding, Kazuyoshi discovers that a certain room is a space that can exchange goods with another world. In this other world, which appears to have considerably low levels of culture and technology, the protagonist brings items and technology from time to time, attempting to find his value in that world. The main story is complete. Epilogue chapters are posted irregularly. ※It has been published as a book under the new label Monster Bunko by Futabasha Publishers. The book version is also complete. All 18 volumes of the bunko edition are now on sale. A comic adaptation is being serialized on Comic Walker. A spinoff manga "Marie's Hysteria Commercial Development Record" with all 6 volumes on sale at Gaugau Monster.
| Word | Frequency | Difficulty |
|---|---|---|
| 骨が折れる | 3 | 4.72 |
| 愚か者 | 3 | 4.11 |
| 立ち吞み | 3 | 5.45 |
| 丸椅子 | 3 | 5.32 |
| 技術協力 | 3 | 5.88 |
| 路地裏 | 3 | 4.21 |
| 差し支えない | 3 | 4.60 |
| 好印象 | 3 | 4.75 |
| 幽閉 | 3 | 4.35 |
| ヒリヒリ | 3 | 5.13 |
| 有りとあらゆる | 3 | 4.14 |
| 滑か | 3 | 4.57 |
| 入室 | 3 | 4.07 |
| あらん限り | 3 | 5.00 |
| 犬かき | 3 | 5.77 |
| ラピスラズリ | 3 | 5.50 |
| ぶるぶる | 3 | 4.57 |
| 口伝 | 3 | 4.83 |
| 命を懸ける | 3 | 5.02 |
| ちゃっちゃと | 3 | 4.88 |
| 家賃 | 3 | 4.68 |
| 栄養不足 | 3 | 5.55 |
| 天変地異 | 3 | 4.66 |
| 情勢 | 3 | 4.08 |
| リズミカル | 3 | 5.04 |
| 約束どおり | 3 | 5.14 |
| 最奥 | 3 | 4.21 |
| やつれる | 3 | 4.94 |
| 二つ | 3 | 3.04 |
| 竿 | 3 | 4.24 |
| 丸々 | 3 | 4.39 |
| 相対 | 3 | 4.02 |
| 付けたり | 3 | 4.74 |
| 東部 | 3 | 4.06 |
| 数滴 | 3 | 5.30 |
| 返り | 3 | 4.46 |
| 気に食わない | 3 | 4.33 |
| 歯磨き | 3 | 5.03 |
| 着心地 | 3 | 4.86 |
| 突然目 | 3 | 4.99 |
| 自然体 | 3 | 4.48 |
| 繁殖 | 3 | 4.32 |
| 1万 | 3 | 4.34 |
| 動転 | 3 | 4.73 |
| 喘ぐ | 3 | 4.52 |
| 謝辞 | 3 | 5.24 |
| 合格 | 3 | 3.85 |
| ずかずか | 3 | 4.89 |
| せっつく | 3 | 4.86 |
| 仕切る | 3 | 4.15 |
| 封 | 3 | 4.05 |
| 甘々 | 3 | 4.94 |
| 訴えかける | 3 | 4.74 |
| ロッカー | 3 | 4.73 |
| 垂れ下がる | 3 | 4.52 |
| 侮辱 | 3 | 4.05 |
| 電話帳 | 3 | 5.75 |
| ドスの利いた声 | 3 | 5.44 |
| 偉 | 3 | 4.45 |
| 寝起き | 3 | 4.19 |
| 探索 | 3 | 3.12 |
| 防衛力 | 3 | 5.00 |
| 書籍版 | 3 | 4.29 |
| 熟練した | 3 | 5.06 |
| 流行 | 3 | 3.97 |
| 3度 | 3 | 4.94 |
| お忍び | 3 | 4.34 |
| 似通う | 3 | 4.47 |
| それ自体 | 3 | 4.10 |
| 早 | 3 | 3.69 |
| お上手 | 3 | 4.91 |
| 天使 | 3 | 3.25 |
| 自ずと | 3 | 4.42 |
| 間違いなし | 3 | 4.54 |
| 全容 | 3 | 4.51 |
| 石盤 | 3 | 5.46 |
| 見違える | 3 | 4.66 |
| 右派 | 3 | 4.74 |
| 勾配 | 3 | 5.08 |
| 取り直す | 3 | 4.62 |
| びっしり | 3 | 4.44 |
| 沿岸 | 3 | 4.64 |
| 定着 | 3 | 4.30 |
| 人魂 | 3 | 4.68 |
| 楕円形 | 3 | 4.88 |
| おどおど | 3 | 4.61 |
| 思いとどまる | 3 | 4.79 |
| 人外 | 3 | 4.05 |
| お邪魔します | 3 | 4.69 |
| 範囲内 | 3 | 4.03 |
| 締める | 3 | 4.45 |
| 現在進行形 | 3 | 4.55 |
| ショートケーキ | 3 | 5.01 |
| 飼い葉 | 3 | 5.49 |
| 茶化す | 3 | 4.28 |
| 通り抜け | 3 | 4.24 |
| 艦船 | 3 | 4.89 |
| 下車 | 3 | 5.63 |
| 風雨 | 3 | 4.97 |
| 古物 | 3 | 6.15 |
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