いちいん
Meanings
Noun
1. one cause; one reason; one factor
Used inUsed in %
Anime10(0%)
Live action12(0%)
Visual novels97(18%)
Novels258(17%)
Non-fiction29(20%)
Web novels153(14%)
Aozora Bunko38(6%)

Used in

Show only

Showing 1..50 from 608 entries

Cover of Legend of the Galactic Heroes
Novel
Legend of the Galactic Heroes
Used times12
See in database...
Cover of Maitetsu Last Run!!
Visual novel
Maitetsu Last Run!!
Used times12
See in database...
NO COVER
Web novel
Re:ゼロから始める異世界生活
Used times11
See in database...
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 times11
See in database...
Cover of Is It Wrong to Try to Pick Up Girls in a Dungeon?
Novel
Is It Wrong to Try to Pick Up Girls in a Dungeon?
Used times10
See in database...
NO COVER
Web novel
人狼への転生、魔王の副官
Used times9
See in database...
Cover of Boku to Kanojo no Game Sensou
Novel
Boku to Kanojo no Game Sensou
Used times9
See in database...
Cover of Maitetsu
Visual novel
Maitetsu
Used times9
See in database...
NO COVER
Web novel
ライブダンジョン!
Used times8
See in database...
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 times8
See in database...
Cover of Re:Zero − Starting Life in Another World
Novel
Re:Zero − Starting Life in Another World
Used times7
See in database...
Cover of Ulysses: Jeanne d'Arc and the Alchemist Knight
Novel
Ulysses: Jeanne d'Arc and the Alchemist Knight
Used times7
See in database...
NO COVER
Web novel
神達に拾われた男(改訂版)
Used times7
See in database...
Cover of Monobeno -Happy End-
Visual novel
Monobeno -Happy End-
Used times6
See in database...
Cover of Sanzensekai no Karasu wo Koroshi
Novel
Sanzensekai no Karasu wo Koroshi
Used times6
See in database...
Cover of Tokyo Ravens
Novel
Tokyo Ravens
Used times6
See in database...
Cover of Order wa Tantei ni
Novel
Order wa Tantei ni
Used times6
See in database...
Cover of Strike the Blood
Novel
Strike the Blood
Used times6
See in database...
Cover of Sora no Kane no Hibiku Hoshi de
Novel
Sora no Kane no Hibiku Hoshi de
Used times6
See in database...
Cover of Mamoru-kun ni Megami no Shukufuku wo!
Novel
Mamoru-kun ni Megami no Shukufuku wo!
Used times6
See in database...
Cover of Kodai Kenkyuu Series
Book (non-fiction)
Kodai Kenkyuu Series
Used times6
See in database...
Cover of 2011
Book (non-fiction)
2011
Used times6
See in database...
Cover of Maria-sama ga Miteru
Novel
Maria-sama ga Miteru
Used times5
See in database...
Cover of Amatsukaze ~Kugutsu Jinpuu-chou~
Visual novel
Amatsukaze ~Kugutsu Jinpuu-chou~
Used times5
See in database...
Cover of Tokyo Ravens EX
Novel
Tokyo Ravens EX
Used times5
See in database...
NO COVER
Web novel
ラピスの心臓
Used times5
See in database...
NO COVER
Web novel
ニートだけどハロワにいったら異世界につれてかれた【コミック8巻11月8日発売】
Used times5
See in database...
NO COVER
Web novel
レジェンド
Used times5
See in database...
NO COVER
Web novel
元・世界1位のサブキャラ育成日記 ~廃プレイヤー、異世界を攻略中!~
Used times5
See in database...
NO COVER
Web novel
反逆のソウルイーター ~弱者は不要といわれて剣聖(父)に追放されました~
Used times5
See in database...
NO COVER
Web novel
嘆きの亡霊は引退したい 〜最弱ハンターは英雄の夢を見る〜【Web版】
Used times5
See in database...
Cover of Tsuki to Laika to Nosferatu
Novel
Tsuki to Laika to Nosferatu
Used times5
See in database...
Cover of Atrium no Koibito
Novel
Atrium no Koibito
Used times5
See in database...
Cover of Hana x Hana
Novel
Hana x Hana
Used times5
See in database...
Cover of Saredo Tsumibito wa Ryuu to Odoru: Dances with the Dragons
Novel
Saredo Tsumibito wa Ryuu to Odoru: Dances with the Dragons
Used times5
See in database...
Cover of Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365 Jinbutsuhen
Book (non-fiction)
Ichi Nichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365 Jinbutsuhen
Used times5
See in database...
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
See in database...
Cover of Dekinai Watashi ga, Kurikaesu
Visual novel
Dekinai Watashi ga, Kurikaesu
Used times4
See in database...
Cover of Shinsekai Yori
Novel
Shinsekai Yori
Used times4
See in database...
Cover of Daiteikoku
Visual novel
Daiteikoku
Used times4
See in database...
Cover of Trails to Azure
Video game
Trails to Azure
Used times4
See in database...
Cover of Another 2001
Novel
Another 2001
Used times4
See in database...
NO COVER
Web novel
今度は絶対に邪魔しませんっ!
Used times4
See in database...
Cover of Guin Saga
Novel
Guin Saga
Used times4
See in database...
Cover of Parasite Moon
Novel
Parasite Moon
Used times4
See in database...
Cover of Mamorarenakatta Monotachi e
Novel
Mamorarenakatta Monotachi e
Used times4
See in database...
Cover of Kansenshou no Sekaishi
Book (non-fiction)
Kansenshou no Sekaishi
Used times4
See in database...
NO COVER
Aozora Bunko
戦争史大観
Used times4
See in database...
Cover of Ore, Twintail ni Narimasu.
Novel
Ore, Twintail ni Narimasu.
Used times4
See in database...
Cover of Densetsu Series
Novel
Densetsu Series
Used times4
See in database...