Anime fans have something wholesome to look forward to this fall! The upcoming web anime Koala’s Diary has officially announced its premiere date. The series will begin streaming on its official YouTube channel starting October 2, 2025, with fresh episodes dropping every Thursday.
Alongside the premiere announcement, the production team also revealed a brand-new key visual. The artwork features Koala-san enjoying an autumn picnic with his friends a hedgehog, an emu, and a pheasant under golden and orange leaves, perfectly capturing the warm and cozy theme of the series.
Ending Theme Song and Staff Details
The anime’s official ending theme song is titled “Niji to” (“Rainbows and..”), performed by Punpuni Denki feat. Kan Sano. The soothing track is expected to complement the series’ heartfelt storytelling.
The adaptation is being directed by Takao Kato at studio MOTHER, while Chiharu Hara is in charge of character design.
About the Original Manga
Koala’s Diary is originally a manga written and illustrated by Yuami, published by KADOKAWA in Japan. The series first began on June 11, 2021, and has released four collected volumes so far. Its charming storytelling and slice-of-life vibes have made it a fan favorite, leading to this much-anticipated web anime adaptation.
Story Overview
The story follows Koala-san, a lovable koala bear who writes about his daily adventures in his diary. Whether it’s a joyful moment or a difficult day, Koala-san reminds us that every single day is special and worth remembering. With its warm message, the series aims to bring comfort and positivity to viewers of all ages.