改かい善ぜん
Meanings
Noun
Verb (する, transitive)
1. betterment; improvement
Noun
Usually written in kana
2. kaizen (Japanese business philosophy of continuous improvement)
oft. written カイゼン
Used inUsed in %
Anime123(8%)
Live action210(16%)
Visual novels281(52%)
Novels863(44%)
Non-fiction64(44%)
Web novels496(47%)
Aozora Bunko87(15%)

Used in

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Showing 51..100 from 863 entries

Cover of World End Economica
Novel
World End Economica
Used times15
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Cover of Shinigamihime no Saikon
Novel
Shinigamihime no Saikon
Used times15
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Cover of Tensei-saki ga Shoujo Manga no Shirobuta Reijou datta
Novel
Tensei-saki ga Shoujo Manga no Shirobuta Reijou datta
Used times15
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Cover of Bara no Maria
Novel
Bara no Maria
Used times14
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Cover of Isekai Yakkyoku
Novel
Isekai Yakkyoku
Used times14
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Cover of Kokou no Mesu
Novel
Kokou no Mesu
Used times14
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Cover of MM!
Novel
MM!
Used times14
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Cover of Butsuriteki ni Koritsu shiteiru Ore no Koukou Seikatsu
Novel
Butsuriteki ni Koritsu shiteiru Ore no Koukou Seikatsu
Used times14
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Cover of Yuusha, Yamemasu: Tsugi no Shokuba wa Maoujou
Novel
Yuusha, Yamemasu: Tsugi no Shokuba wa Maoujou
Used times14
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Cover of Classroom of the Elite
Novel
Classroom of the Elite
Used times13
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Cover of Legend of the Galactic Heroes
Novel
Legend of the Galactic Heroes
Used times13
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Cover of Double Breed
Novel
Double Breed
Used times13
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Cover of Okashi Shokunin no Nariagari: Tensai Pâtisserie no Ryouchi Keiei
Novel
Okashi Shokunin no Nariagari: Tensai Pâtisserie no Ryouchi Keiei
Used times13
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Cover of Usotsuki Mii-kun to Kowareta Maa-chan
Novel
Usotsuki Mii-kun to Kowareta Maa-chan
Used times13
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Cover of Hell Mode: Yarikomizuki no Gamer wa Hai Settei no Isekai de Musou Suru
Novel
Hell Mode: Yarikomizuki no Gamer wa Hai Settei no Isekai de Musou Suru
Used times13
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Cover of Isekai Cheat Magician
Novel
Isekai Cheat Magician
Used times13
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Cover of Knight's & Magic
Novel
Knight's & Magic
Used times13
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Cover of Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru
Novel
Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru
Used times13
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Cover of Hangyaku no Soul Eater: Jakusha wa Fuyou to Iwarete Kensei (Chichi) ni Tsuihou saremashita
Novel
Hangyaku no Soul Eater: Jakusha wa Fuyou to Iwarete Kensei (Chichi) ni Tsuihou saremashita
Used times13
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Cover of Tokkyuu Guild e Youkoso! Kanban Musume no Aisare Elf wa Minna no Kokoro wo Nagomaseru
Novel
Tokkyuu Guild e Youkoso! Kanban Musume no Aisare Elf wa Minna no Kokoro wo Nagomaseru
Used times13
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Cover of Kami-tachi ni Hirowareta Otoko
Novel
Kami-tachi ni Hirowareta Otoko
Used times13
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Cover of My Little Sister Can't Be This Cute
Novel
My Little Sister Can't Be This Cute
Used times12
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Cover of Monogatari Series
Novel
Monogatari Series
Used times12
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Cover of Tokyo Ravens
Novel
Tokyo Ravens
Used times12
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Cover of Hisshou Dungeon Unei Houhou
Novel
Hisshou Dungeon Unei Houhou
Used times12
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Cover of Jikken no Taika
Novel
Jikken no Taika
Used times12
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Cover of Shimoneta to Iu Gainen ga Sonzai Shinai Taikutsu na Sekai
Novel
Shimoneta to Iu Gainen ga Sonzai Shinai Taikutsu na Sekai
Used times12
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Cover of Sokushi Cheat ga Saikyou sugite, Isekai no Yatsura ga Maru de Aite ni Naranaindesu ga.
Novel
Sokushi Cheat ga Saikyou sugite, Isekai no Yatsura ga Maru de Aite ni Naranaindesu ga.
Used times12
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Cover of Kuusen Madoushi Kouhosei no Kyoukan
Novel
Kuusen Madoushi Kouhosei no Kyoukan
Used times12
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Cover of Shinmai Renkinjutsushi no Tenpo Keiei
Novel
Shinmai Renkinjutsushi no Tenpo Keiei
Used times12
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Cover of Humanity Has Declined
Novel
Humanity Has Declined
Used times11
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Cover of The Pet Girl of Sakurasou
Novel
The Pet Girl of Sakurasou
Used times11
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Cover of Seitokai no Shuunen
Novel
Seitokai no Shuunen
Used times11
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Cover of Wizard's Brain
Novel
Wizard's Brain
Used times11
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Cover of Mamahaha no Tsurego ga Motokano Datta
Novel
Mamahaha no Tsurego ga Motokano Datta
Used times11
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Cover of Gamers!
Novel
Gamers!
Used times11
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Cover of Zettai ni Hatarakitakunai Dungeon Master Damin wo Musaboru made
Novel
Zettai ni Hatarakitakunai Dungeon Master Damin wo Musaboru made
Used times11
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Cover of Rekishi ni Nokoru Akujo ni Naru zo: Akuyaku Reijou ni Naru hodo Ouji no Dekiai wa Kasoku suru you desu!
Novel
Rekishi ni Nokoru Akujo ni Naru zo: Akuyaku Reijou ni Naru hodo Ouji no Dekiai wa Kasoku suru you desu!
Used times11
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Cover of Tensei shitara Ken deshita
Novel
Tensei shitara Ken deshita
Used times11
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Cover of High School DxD
Novel
High School DxD
Used times11
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Cover of Shakugan no Shana
Novel
Shakugan no Shana
Used times10
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Cover of Maria-sama ga Miteru
Novel
Maria-sama ga Miteru
Used times10
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Cover of Mushoku Tensei: Jobless Reincarnation
Novel
Mushoku Tensei: Jobless Reincarnation
Used times10
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Cover of Arifureta Shokugyou de Sekai Saikyou
Novel
Arifureta Shokugyou de Sekai Saikyou
Used times10
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Cover of Tomodachi no Imouto ga Ore ni dake Uzai
Novel
Tomodachi no Imouto ga Ore ni dake Uzai
Used times10
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Cover of Arikui no Inbou Series
Novel
Arikui no Inbou Series
Used times10
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Cover of Magdala de Nemure
Novel
Magdala de Nemure
Used times10
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Cover of Rare Class Change!
Novel
Rare Class Change!
Used times10
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Cover of Hentai Ouji to Warawanai Neko.
Novel
Hentai Ouji to Warawanai Neko.
Used times10
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Cover of Otome Game no Hametsu Flag Shika Nai Akuyaku Reijou ni Tensei Shiteshimatta...
Novel
Otome Game no Hametsu Flag Shika Nai Akuyaku Reijou ni Tensei Shiteshimatta...
Used times10
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