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 158 entries

Cover of Guin Saga
Novel
Guin Saga
Used times25
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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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Cover of Ascendance of a Bookworm
Novel
Ascendance of a Bookworm
Used times13
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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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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 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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Cover of Overlord
Novel
Overlord
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 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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Cover of Monogatari Series
Novel
Monogatari Series
Used times2
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Cover of Shunkashuutou Daikousha
Novel
Shunkashuutou Daikousha
Used times2
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Cover of Watashi no Oshi wa Akuyaku Reijou
Novel
Watashi no Oshi wa Akuyaku Reijou
Used times2
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Cover of Watashi no Shiawase na Kekkon
Novel
Watashi no Shiawase na Kekkon
Used times2
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Cover of Saenai Heroine no Sodatekata
Novel
Saenai Heroine no Sodatekata
Used times2
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Cover of Koi Shitau Shiro Bara ~Hikikomori Hime wa Bukiyou na Kishi ni Aisareru~
Novel
Koi Shitau Shiro Bara ~Hikikomori Hime wa Bukiyou na Kishi ni Aisareru~
Used times2
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Cover of Tasogare no Kimi Wolfinne
Novel
Tasogare no Kimi Wolfinne
Used times2
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Cover of Nee, Hanashi wo Shiyou.
Novel
Nee, Hanashi wo Shiyou.
Used times2
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Cover of Rakuin no Monshou
Novel
Rakuin no Monshou
Used times2
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Cover of Maboroshi no Shougun
Novel
Maboroshi no Shougun
Used times2
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Cover of Goblin Slayer
Novel
Goblin Slayer
Used times2
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Cover of Leo Attiel Den: Kubinashi-kou no Shouzou
Novel
Leo Attiel Den: Kubinashi-kou no Shouzou
Used times2
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Cover of Sora no Kane no Hibiku Hoshi de
Novel
Sora no Kane no Hibiku Hoshi de
Used times2
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Cover of Hentai Ouji to Warawanai Neko.
Novel
Hentai Ouji to Warawanai Neko.
Used times2
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Cover of Chicchakute Kawaii Senpai ga Dasuki na no de Ichinichi Sankai Teresasetai
Novel
Chicchakute Kawaii Senpai ga Dasuki na no de Ichinichi Sankai Teresasetai
Used times2
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Cover of Getsugyo
Novel
Getsugyo
Used times2
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Cover of Isekai Mokushiroku Mynoghra: Hametsu no Bunmei de Hajimeru Sekai Seifuku
Novel
Isekai Mokushiroku Mynoghra: Hametsu no Bunmei de Hajimeru Sekai Seifuku
Used times2
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Cover of Re:Zero Kara Hajimeru Isekai Seikatsu Ex
Novel
Re:Zero Kara Hajimeru Isekai Seikatsu Ex
Used times2
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Cover of Koori no Ou wa Ningyou no Hime ni Ai wo Sasayaku
Novel
Koori no Ou wa Ningyou no Hime ni Ai wo Sasayaku
Used times1
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Cover of Akkan no Grimoire
Novel
Akkan no Grimoire
Used times1
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Cover of Humanity Has Declined
Novel
Humanity Has Declined
Used times1
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Cover of Banner of the Stars
Novel
Banner of the Stars
Used times1
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Cover of Zero no Tsukaima
Novel
Zero no Tsukaima
Used times1
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Cover of Kyo Kara Maoh!
Novel
Kyo Kara Maoh!
Used times1
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Cover of Howl's Moving Castle
Novel
Howl's Moving Castle
Used times1
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Cover of My Little Sister Can't Be This Cute
Novel
My Little Sister Can't Be This Cute
Used times1
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Cover of Shakugan no Shana
Novel
Shakugan no Shana
Used times1
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Cover of Spice and Wolf
Novel
Spice and Wolf
Used times1
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Cover of Nogizaka Haruka no Himitsu
Novel
Nogizaka Haruka no Himitsu
Used times1
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Cover of Kaidan Kanojo
Novel
Kaidan Kanojo
Used times1
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Cover of The Melancholy of Haruhi Suzumiya
Novel
The Melancholy of Haruhi Suzumiya
Used times1
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