Koala's Diary
Also recorded as Koala E Nikki · Koala Enikki
Koala's Diary
- Name
- Koala's Diary
- Language
- Japanese
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Documentary evidence
Documentary basis
Authority files
wikidata · Q135485385 · wikipedia · Koala's Diary
In this article
Key facts
Key facts
• Name — Koala's Diary • Ja Kanji — コアラ絵日記 • Ja Romaji — Koala E Nikki
Key facts
Key facts
• Type — manga • Author — Yuami • Publisher — Kadokawa Shoten • First — June 11, 2021 • Volumes — 5
Key facts
Key facts
• Type — ONA • Director — Takao Kato • Studio — Studio Mother • First — October 2, 2025 • Runtime — 1 minute • Episodes — 26 Koala's Diary is a Japanese manga series written and illustrated by Yuami. Originally serialized as a web manga on Twitter since June 2021, it was later acquired by Kadokawa Corporation, who then began publishing the series in print in March 2022. Five tankōbon volumes have been released as of December 2025. An original net animation (ONA) adaptation produced by Studio Mother began releasing on YouTube in October 2025.
Plot
Plot
A Koala living in Japan writes diary entries about the good things life has to offer.
Characters
Characters
• Koara-san • Aya Uchida • Karasu-san • Aya Uchida • Emu-san • Aya Uchida • Harinezumi-san • Aya Uchida
Anime
Anime
An original net animation (ONA) adaptation was announced on June 11, 2025. The series is animated by Studio Mother and directed by Takao Kato, with Chiharu Hara designing the characters and Atsushi Umebori and Slavomir Stanislaw Kowalewski composing the music. It began releasing on YouTube on October 2, 2025. The anime's theme song "Niji to" (With a Rainbow) performed by Punipuni Denki featuring Kan Sano.
Places
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Places
Only places the record itself states, plotted where the house gazetteer settles their coordinates. Nothing is inferred from a name or a nationality.
- Japan
Citations
References
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reference work
Secondary witnessreference work
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
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