{
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  "description": "長崎屋から妖が消えた！ 最初は噺家の場久、次は火幻医師。彼らを探すため、影内に紛れ込んだ病弱若だんなは、すべて西から来た妖・以津真天の仕業だと知る。大事な友を救うため、果敢に悪夢に飛び込んだ若だんなだが、目覚めた先はなんと五年後の江戸。鍵を握るのは、以津真天なのか、それとももっと大きな力なのか……。",
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      "title": "いつまで",
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    {
      "title": "いつまで",
      "subtitle": null,
      "url": "https://www.bookquiver.com/megumi-hatakenaka/ja/itsumade/9784104507306",
      "publisher": "新潮社",
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      "isbn": "978-41-0450-730-6",
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