かいけついとぐち
Meanings
Expression
Noun
1. key to a solution; first step toward a solution; thread to unravel a mystery
Used inUsed in %
Anime6(0%)
Live action12(0%)
Visual novels45(8%)
Novels100(6%)
Non-fiction4(2%)
Web novels38(3%)
Aozora Bunko3(0%)

Used in

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Showing 1..4 from 4 entries

Cover of Chisan Chishou no Energy Kakumei Mou Genpatsu ni wa Tayoranai
Book (non-fiction)
Chisan Chishou no Energy Kakumei Mou Genpatsu ni wa Tayoranai
Used times1
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Cover of Jazz no Rekishi Monogatari
Book (non-fiction)
Jazz no Rekishi Monogatari
Used times1
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Cover of Hon wa Jussatsu Douji ni Yome!
Book (non-fiction)
Hon wa Jussatsu Douji ni Yome!
Used times1
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Cover of Tadashisa to wa Nanika
Book (non-fiction)
Tadashisa to wa Nanika
Used times1
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