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 |
|---|---|---|
| 奮発 | 1 | 4.82 |
| 腐食 | 1 | 4.50 |
| チェア | 1 | 5.33 |
| 肌荒れ | 1 | 5.48 |
| 塩加減 | 1 | 5.41 |
| 悟り | 1 | 4.34 |
| 使用料 | 1 | 5.10 |
| ピン | 1 | 4.44 |
| 組み込み | 1 | 5.21 |
| 起伏 | 1 | 4.50 |
| 暗所 | 1 | 5.78 |
| 文言 | 1 | 4.47 |
| 政府 | 1 | 3.87 |
| 凸る | 1 | 5.81 |
| 転送 | 1 | 3.73 |
| 脅かし | 1 | 4.79 |
| 興亡 | 1 | 5.57 |
| 肥 | 1 | 5.78 |
| 一途 | 1 | 4.44 |
| 照り付ける | 1 | 5.63 |
| ヘタ | 1 | 4.81 |
| 取り消す | 1 | 4.75 |
| 拝み倒す | 1 | 5.46 |
| 列挙 | 1 | 5.12 |
| 施行 | 1 | 5.10 |
| 意味ありげ | 1 | 4.40 |
| 銘打つ | 1 | 4.96 |
| 押え | 1 | 4.86 |
| 焼けつく | 1 | 5.47 |
| とろみ | 1 | 5.01 |
| 面会人 | 1 | 6.55 |
| コラボ | 1 | 5.06 |
| 長らく | 1 | 4.28 |
| 付箋 | 1 | 5.41 |
| 下痢止め | 1 | 6.49 |
| 透明感 | 1 | 4.94 |
| 年恰好 | 1 | 6.04 |
| ハーレム | 1 | 3.91 |
| 根本的 | 1 | 4.06 |
| 値踏み | 1 | 4.53 |
| 組み伏せる | 1 | 4.83 |
| 月一 | 1 | 5.19 |
| 脱臼 | 1 | 5.24 |
| 起爆 | 1 | 4.84 |
| を基にして | 1 | 5.51 |
| 相棒 | 1 | 3.81 |
| 選手 | 1 | 3.68 |
| 故意に | 1 | 4.74 |
| 反逆罪 | 1 | 5.07 |
| 上げ下げ | 1 | 5.38 |
| サボり | 1 | 4.91 |
| わねえ | 1 | 4.60 |
| 馬身 | 1 | 5.09 |
| インスタントコーヒー | 1 | 5.69 |
| さぞ | 1 | 4.24 |
| 機動 | 1 | 3.72 |
| 這い上る | 1 | 6.42 |
| 眠り込む | 1 | 5.23 |
| ガチャン | 1 | 5.29 |
| 虐め | 1 | 4.33 |
| 妬く | 1 | 4.95 |
| 熱狂 | 1 | 4.56 |
| 衾 | 1 | 5.17 |
| 言い付ける | 1 | 5.73 |
| 一時期 | 1 | 4.33 |
| 8000 | 1 | 5.20 |
| 上家 | 1 | 6.24 |
| 難がある | 1 | 4.93 |
| 黒雲 | 1 | 4.86 |
| 油をしぼる | 1 | 7.59 |
| 売上金 | 1 | 5.58 |
| パス | 1 | 4.01 |
| 深刻化 | 1 | 5.46 |
| 黄 | 1 | 3.86 |
| 人を見る目 | 1 | 4.77 |
| 優越感 | 1 | 4.57 |
| 軍事訓練 | 1 | 5.53 |
| 不安の種 | 1 | 5.53 |
| 密室 | 1 | 4.75 |
| 善さげ | 1 | 5.09 |
| 尊い | 1 | 4.27 |
| 事情聴取 | 1 | 4.51 |
| ツメ | 1 | 5.06 |
| 大洪水 | 1 | 5.46 |
| 商売敵 | 1 | 5.14 |
| 若々しい | 1 | 4.56 |
| 労働環境 | 1 | 5.26 |
| 壁板 | 1 | 5.97 |
| 等分 | 1 | 4.78 |
| 金がない | 1 | 5.00 |
| 騒ぎ声 | 1 | 5.41 |
| 言い淀む | 1 | 4.52 |
| 無職 | 1 | 4.60 |
| 意味が無い | 1 | 4.29 |
| 小動物 | 1 | 4.13 |
| 突き詰める | 1 | 4.63 |
| 小籠包 | 1 | 5.66 |
| 左目 | 1 | 4.30 |
| 一番端 | 1 | 5.17 |
| 溌剌 | 1 | 4.92 |
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