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Ningyo Kansatsu Nikki
人魚観察日記 · にんぎょ かんさつ にっき
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Note: Originally self-published on Twitter, was then licensed by Kadokawa for commercial release.
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections
Volumes
通常版 First edition
1vols · 2025-05
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