Koala's Diary
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| Koala's Diary | |
 First tankōbon volume cover | |
| コアラ絵日記 (Koala E Nikki) | |
|---|---|
| Manga | |
| Written by | Yuami |
| Published by | Kadokawa Shoten |
| Original run | June 11, 2021 – present |
| Volumes | 5 |
| Original net animation | |
| Directed by | Takao Kato |
| Studio | Studio Mother |
| Released | October 2, 2025 – present |
| Runtime | 1 minute |
| Episodes | 26 |
Koala's Diary (コアラ絵日記, Koala E Nikki) 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.
Characters
- Koala (コアラさん, Koara-san)
- Voiced by: Aya Uchida[1]
- Crow-san (カラスさん, Karasu-san)
- Voiced by: Aya Uchida[2]
- Emu-san (エミューさん)
- Voiced by: Aya Uchida[2]
- Hedgehog-san (ハリネズミさん, Harinezumi-san)
- Voiced by: Aya Uchida[2]
