こっけん
Meanings
Noun
1. black key (on a piano, organ, etc.)
Used inUsed in %
Anime2(0%)
Live action1(0%)
Visual novels7(1%)
Novels14(0%)
Non-fiction2(1%)
Web novels2(0%)
Aozora Bunko1(0%)

Used in

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Showing 1..2 from 2 entries

Cover of Ichinichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365
Book (non-fiction)
Ichinichi Ichi Page, Yomu Dake de Mi ni Tsuku Sekai no Kyouyou 365
Used times1
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Cover of Mozart no Iru Kyuujitsu Otona no Tanoshimu Classic
Book (non-fiction)
Mozart no Iru Kyuujitsu Otona no Tanoshimu Classic
Used times1
See in database...