こころくだ
Meanings
Expression
Verb (5-dan, く)
Idiomatic
1. to take great pains; to make every effort; to rack one's brains
2. to be concerned; to worry
Used inUsed in %
Anime8(0%)
Live action9(0%)
Visual novels63(11%)
Novels158(10%)
Non-fiction11(7%)
Web novels126(11%)
Aozora Bunko33(5%)

Used in

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Showing 1..50 from 414 entries

Cover of Guin Saga
Novel
Guin Saga
Used times25
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NO COVER
Web novel
Re:ゼロから始める異世界生活
Used times22
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Cover of Re:Zero − Starting Life in Another World
Novel
Re:Zero − Starting Life in Another World
Used times20
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NO COVER
Web novel
ありふれた職業で世界最強
Used times18
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Cover of Ascendance of a Bookworm
Novel
Ascendance of a Bookworm
Used times13
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NO COVER
Web novel
本好きの下剋上 ~司書になるためには手段を選んでいられません~
Used times12
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Cover of Arifureta Shokugyou de Sekai Saikyou
Novel
Arifureta Shokugyou de Sekai Saikyou
Used times11
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Cover of Muyoku no Seijo
Novel
Muyoku no Seijo
Used times9
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NO COVER
Web novel
金色の文字使い ~勇者四人に巻き込まれたユニークチート~
Used times7
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NO COVER
Web novel
神様の定食屋
Used times6
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Cover of Zen'aku no Higan
Book (non-fiction)
Zen'aku no Higan
Used times6
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NO COVER
Web novel
ループ7回目の悪役令嬢は、元敵国で自由気ままな花嫁生活を満喫する
Used times5
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NO COVER
Aozora Bunko
モンテーニュ随想録 05 随想録 第一巻
Used times5
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Cover of Sengoku † Koihime X ~Otome Kenran ☆ Sengoku Emaki~
Visual novel
Sengoku † Koihime X ~Otome Kenran ☆ Sengoku Emaki~
Used times4
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Cover of Higurashi no Naku Koro ni Matsuri
Visual novel
Higurashi no Naku Koro ni Matsuri
Used times4
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NO COVER
Web novel
【書籍化・コミカライズ】王太子様、私今度こそあなたに殺されたくないんです ~聖女に嵌められた貧乏令嬢、二度目は串刺し回避します!~
Used times4
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NO COVER
Web novel
後宮も二度目なら 〜白豚妃再来伝〜
Used times4
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NO COVER
Web novel
魔力喰らいの元悪役令嬢は余生を"最後の魔王"として暮らしたい
Used times4
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Cover of Uchi no Musume no Tame no Naraba, Ore wa Moshikashitara Maou mo Taoseru Kamoshirenai
Novel
Uchi no Musume no Tame no Naraba, Ore wa Moshikashitara Maou mo Taoseru Kamoshirenai
Used times4
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Cover of Uma Musume
Video game
Uma Musume
Used times4
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Cover of Nozonda Mono wa Tada, Hitotsu
Novel
Nozonda Mono wa Tada, Hitotsu
Used times4
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Cover of Kokou no Mesu
Novel
Kokou no Mesu
Used times4
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NO COVER
Aozora Bunko
夜明け前 04 第二部下
Used times4
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Cover of Aiyoku no Eustia
Visual novel
Aiyoku no Eustia
Used times3
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Cover of Dies irae
Visual novel
Dies irae
Used times3
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NO COVER
Web novel
【書籍4巻3/10発売】元、落ちこぼれ公爵令嬢です。(WEB版)
Used times3
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NO COVER
Web novel
転生王女と天才令嬢の魔法革命【Web版】
Used times3
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NO COVER
Web novel
記憶が戻った伯爵令嬢はまだ恋を知らない
Used times3
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NO COVER
Web novel
RPGの悪役に転生してしまったけど、生き残りたい
Used times3
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Cover of Ayakashibito
Visual novel
Ayakashibito
Used times3
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Cover of Amatsukaze ~Kugutsu Jinpuu-chou~
Visual novel
Amatsukaze ~Kugutsu Jinpuu-chou~
Used times3
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NO COVER
Web novel
幻想再帰のアリュージョニスト
Used times3
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Cover of Rance 10
Visual novel
Rance 10
Used times3
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Cover of Overlord
Novel
Overlord
Used times3
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Cover of Sanoba Witch
Visual novel
Sanoba Witch
Used times3
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NO COVER
Web novel
転生王女は今日も旗を叩き折る。
Used times3
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Cover of Chikyuu ga Sabishii Sono Riyuu
Novel
Chikyuu ga Sabishii Sono Riyuu
Used times3
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Cover of Kyu Kyu Cute!
Novel
Kyu Kyu Cute!
Used times3
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Cover of Usotsuki Mii-kun to Kowareta Maa-chan
Novel
Usotsuki Mii-kun to Kowareta Maa-chan
Used times3
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Cover of Waga Gyouyuu ni Furueyo Tenchi Alexis Teikoku Kouryuuki
Novel
Waga Gyouyuu ni Furueyo Tenchi Alexis Teikoku Kouryuuki
Used times3
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Cover of Kashin Yuugiden
Novel
Kashin Yuugiden
Used times3
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Cover of Raia no Inori
Novel
Raia no Inori
Used times3
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Cover of Nihonjin Dake ga Shiranai Sekai kara Zessan Sareru Nihonjin
Book (non-fiction)
Nihonjin Dake ga Shiranai Sekai kara Zessan Sareru Nihonjin
Used times3
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Cover of Koi wo Shiyou. Yume wo Miyou. Tabi ni Deyou.
Book (non-fiction)
Koi wo Shiyou. Yume wo Miyou. Tabi ni Deyou.
Used times3
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NO COVER
Aozora Bunko
この子を残して
Used times3
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NO COVER
Aozora Bunko
モンテーニュ随想録 06 随想録 第二巻
Used times3
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Cover of Ore, Twintail ni Narimasu.
Novel
Ore, Twintail ni Narimasu.
Used times3
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Cover of Emiri no Chiisana Houchou
Novel
Emiri no Chiisana Houchou
Used times3
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Cover of Suiyoubi no Tegami
Novel
Suiyoubi no Tegami
Used times3
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Cover of Koukyuu no Karasu
Novel
Koukyuu no Karasu
Used times3
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