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改かい善ぜん
Meanings
Adjective (の)
Noun
Verb (する)
1. betterment; improvement
2. kaizen (Japanese business philosophy of continuous improvement)
often written カイゼン
Used inUsed in %
Anime118(8%)
Live action211(16%)
Visual novels274(51%)
Novels637(41%)
Non-fiction63(43%)
Web novels496(47%)
Aozora Bunko87(15%)

Used in

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AnimeLive actionVisual novelsNovelsBooks (non-fiction)Web novelsAozora Bunko

Showing 1..50 from 637 entries

Cover of Youjo Senki
Novel
Youjo Senki
Used times111
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Cover of Ascendance of a Bookworm
Novel
Ascendance of a Bookworm
Used times87
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Cover of Rebuild World
Novel
Rebuild World
Used times60
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Cover of Nareru! SE
Novel
Nareru! SE
Used times54
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Cover of Tensei Shitara Slime Datta Ken
Novel
Tensei Shitara Slime Datta Ken
Used times52
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Cover of Rokujouma no Shinryakusha!?
Novel
Rokujouma no Shinryakusha!?
Used times47
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Cover of Tearmoon Teikoku Monogatari ~Dantoudai Kara Hajimaru, Hime no Tenshou Gyakuten Story~
Novel
Tearmoon Teikoku Monogatari ~Dantoudai Kara Hajimaru, Hime no Tenshou Gyakuten Story~
Used times37
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Cover of Trinitas Dream Life ~Yume no Isekai Seikatsu~
Novel
Trinitas Dream Life ~Yume no Isekai Seikatsu~
Used times31
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Cover of Tsuki to Laika to Nosferatu
Novel
Tsuki to Laika to Nosferatu
Used times29
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Cover of Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita
Novel
Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita
Used times28
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Cover of Sanzensekai no Karasu wo Koroshi
Novel
Sanzensekai no Karasu wo Koroshi
Used times27
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Cover of Bokutachi no Remake Ver.β
Novel
Bokutachi no Remake Ver.β
Used times27
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Cover of Re:Zero − Starting Life in Another World
Novel
Re:Zero − Starting Life in Another World
Used times26
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Cover of Sengoku Komachi Kuroutan
Novel
Sengoku Komachi Kuroutan
Used times26
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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 times26
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Cover of Bokutachi no Remake
Novel
Bokutachi no Remake
Used times25
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Cover of Risou no Himo Seikatsu
Novel
Risou no Himo Seikatsu
Used times25
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Cover of Ore wo Suki Nano wa Omae Dake ka yo
Novel
Ore wo Suki Nano wa Omae Dake ka yo
Used times24
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Cover of The Irregular at Magic High School
Novel
The Irregular at Magic High School
Used times23
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Cover of Ascendance of a Bookworm (Junior Bunko)
Novel
Ascendance of a Bookworm (Junior Bunko)
Used times23
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Cover of Netoge no Yome wa Onnanoko ja Nai to Omotta?
Novel
Netoge no Yome wa Onnanoko ja Nai to Omotta?
Used times23
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Cover of Ameku Takao no Suiri Karute
Novel
Ameku Takao no Suiri Karute
Used times22
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Cover of Nejimaki Seirei Senki: Tenkyou no Alderamin
Novel
Nejimaki Seirei Senki: Tenkyou no Alderamin
Used times21
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Cover of Eromanga Sensei
Novel
Eromanga Sensei
Used times21
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Cover of Saijaku Tamer wa Gomihiroi no Tabi wo Hajimemashita.
Novel
Saijaku Tamer wa Gomihiroi no Tabi wo Hajimemashita.
Used times20
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Cover of Rabukome no Kamisama Nanoni Ore no Rabukome wo Jama Suru no? Datte Suki Nanda Mon
Novel
Rabukome no Kamisama Nanoni Ore no Rabukome wo Jama Suru no? Datte Suki Nanda Mon
Used times19
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Cover of Osananajimi ga Zettai ni Makenai Rabukome
Novel
Osananajimi ga Zettai ni Makenai Rabukome
Used times18
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Cover of The Rising of the Shield Hero
Novel
The Rising of the Shield Hero
Used times17
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Cover of Girly Air Force
Novel
Girly Air Force
Used times17
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Cover of Guin Saga
Novel
Guin Saga
Used times16
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Cover of Sasaki to Pii-chan
Novel
Sasaki to Pii-chan
Used times16
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Cover of Isekai Ryouridou
Novel
Isekai Ryouridou
Used times16
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Cover of Chrome Shelled Regios
Novel
Chrome Shelled Regios
Used times15
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Cover of Onii-chan dakedo Ai sae Areba Kankei Nai yo ne!
Novel
Onii-chan dakedo Ai sae Areba Kankei Nai yo ne!
Used times15
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Cover of Yahari Ore no Seishun Love Come wa Machigatteiru
Novel
Yahari Ore no Seishun Love Come wa Machigatteiru
Used times15
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Cover of World End Economica
Novel
World End Economica
Used times15
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Cover of Watashi no Oshi wa Akuyaku Reijou
Novel
Watashi no Oshi wa Akuyaku Reijou
Used times15
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Cover of Isekai Yakkyoku
Novel
Isekai Yakkyoku
Used times14
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Cover of 9S (Nine S)
Novel
9S (Nine S)
Used times14
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Cover of Kokou no Mesu
Novel
Kokou no Mesu
Used times14
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Cover of Tensei Oujo to Tensai Reijou no Mahou Kakumei
Novel
Tensei Oujo to Tensai Reijou no Mahou Kakumei
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 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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