要よう因いん
Meanings
Adjective (の)
Noun
1. main cause; primary factor
Used inUsed in %
Anime90(6%)
Live action73(5%)
Visual novels247(45%)
Novels866(44%)
Non-fiction80(55%)
Web novels379(35%)
Aozora Bunko36(6%)

Used in

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Showing 1..50 from 1789 entries

NO COVER
Web novel
Re:ゼロから始める異世界生活
Used times112
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Cover of Kenja no Deshi wo Nanoru Kenja
Novel
Kenja no Deshi wo Nanoru Kenja
Used times78
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Cover of Re:Zero − Starting Life in Another World
Novel
Re:Zero − Starting Life in Another World
Used times76
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NO COVER
Web novel
賢者の弟子を名乗る賢者
Used times70
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NO COVER
Web novel
レジェンド
Used times63
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Cover of Shin Tenchi Muyou! Ryououki Gaiden: Tenchi Muyou! GXP
Novel
Shin Tenchi Muyou! Ryououki Gaiden: Tenchi Muyou! GXP
Used times49
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Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Karada no Kyouyou 365
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Karada no Kyouyou 365
Used times48
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Cover of Okane no Nagare de Wakaru Sekai no Rekishi Tomi, Keizai, Kenryoku......wa Kou Ugoita
Book (non-fiction)
Okane no Nagare de Wakaru Sekai no Rekishi Tomi, Keizai, Kenryoku......wa Kou Ugoita
Used times44
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NO COVER
Web novel
困りました。縦ロールにさよならしたら、逆ハーになりそうです。
Used times40
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NO COVER
Web novel
幻想再帰のアリュージョニスト
Used times40
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NO COVER
Web novel
ありふれた職業で世界最強
Used times37
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Cover of Tensei Shitara Slime Datta Ken
Novel
Tensei Shitara Slime Datta Ken
Used times36
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Cover of Overlord
Novel
Overlord
Used times33
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NO COVER
Web novel
アラフォー賢者の異世界生活日記
Used times33
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Cover of Guin Saga
Novel
Guin Saga
Used times31
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Cover of Rebuild World
Novel
Rebuild World
Used times31
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Cover of The Irregular at Magic High School
Novel
The Irregular at Magic High School
Used times30
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NO COVER
Aozora Bunko
文明と病気
Used times30
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NO COVER
Web novel
フェアリーテイル・クロニクル ~空気読まない異世界ライフ~
Used times26
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NO COVER
Web novel
異世界転移で女神様から祝福を! ~いえ、手持ちの異能があるので結構です~
Used times26
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NO COVER
Aozora Bunko
イデオロギー概論
Used times26
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NO COVER
Web novel
八男って、それはないでしょう! 
Used times25
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NO COVER
Web novel
転生したらスライムだった件
Used times25
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Cover of Isekai Ryouridou
Novel
Isekai Ryouridou
Used times25
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Cover of Shakugan no Shana
Novel
Shakugan no Shana
Used times24
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Cover of Tsukihime -A Piece of Blue Glass Moon-
Visual novel
Tsukihime -A Piece of Blue Glass Moon-
Used times24
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Cover of Rokujouma no Shinryakusha!?
Novel
Rokujouma no Shinryakusha!?
Used times24
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Cover of Classroom of the Elite
Novel
Classroom of the Elite
Used times23
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Cover of Legend of the Galactic Heroes
Novel
Legend of the Galactic Heroes
Used times23
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Cover of Tokyo Ravens
Novel
Tokyo Ravens
Used times23
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Cover of Majo no Tabitabi
Novel
Majo no Tabitabi
Used times22
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Cover of Vermilion -Bind of Blood-
Visual novel
Vermilion -Bind of Blood-
Used times22
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Cover of Silverio Vendetta
Visual novel
Silverio Vendetta
Used times21
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Cover of Yahari Ore no Seishun Love Come wa Machigatteiru
Novel
Yahari Ore no Seishun Love Come wa Machigatteiru
Used times21
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Cover of Monogatari Series
Novel
Monogatari Series
Used times21
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NO COVER
Web novel
転生したら剣でした
Used times21
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Cover of Tensei shitara Ken deshita
Novel
Tensei shitara Ken deshita
Used times21
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Cover of A Certain Magical Index
Novel
A Certain Magical Index
Used times20
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Cover of Tsukihime
Visual novel
Tsukihime
Used times20
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Cover of Arifureta Shokugyou de Sekai Saikyou
Novel
Arifureta Shokugyou de Sekai Saikyou
Used times20
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NO COVER
Web novel
賢者の孫
Used times20
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Cover of Kyousan Shugi no Keifu
Book (non-fiction)
Kyousan Shugi no Keifu
Used times20
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Cover of Isekai Cheat Magician
Novel
Isekai Cheat Magician
Used times20
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Cover of Shijou Saikyou no Daimaou, Murabito A ni Tensei suru
Novel
Shijou Saikyou no Daimaou, Murabito A ni Tensei suru
Used times20
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NO COVER
Web novel
おかしな転生
Used times19
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Cover of Kumo Desu ga, Nanika?
Novel
Kumo Desu ga, Nanika?
Used times18
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Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Nihon no Kyouyou 365 Rekishihen
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Nihon no Kyouyou 365 Rekishihen
Used times18
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NO COVER
Web novel
ちょっとした、文化の違い
Used times17
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Cover of Otonari no Tenshi-sama ni Itsu no Ma ni ka Dame Ningen ni Sareteita Ken
Novel
Otonari no Tenshi-sama ni Itsu no Ma ni ka Dame Ningen ni Sareteita Ken
Used times17
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NO COVER
Web novel
最強出涸らし皇子の暗躍帝位争い~帝位に興味ないですが、死ぬのは嫌なので弟を皇帝にしようと思います~
Used times17
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