The upcoming web anime Koala's Diary revealed today that the series will begin streaming on its own official YouTube channel in October 2025 . The series also published a teaser trailer and revealed that voice actor Aya Uchida ( Asuka Kawato in The Girl I Like Forgot Her Glasses ) will play the lead role of Koala-san . Koala's Diary Teaser Trailer Koala's Diary key art RELATED: Koala's Diary Web Anime Announced KADOKAWA publishes the original Koala's Diary manga by Yuami in Japan. The series began publication on June 11, 2021, and 4 collected volumes have been released for the series so far. Takao Kato directs the web anime adaptation at studio MOTHER, and Chiharu Hara provides the character designs. The story of Koala's Diary follows a koala bear that chronicles their daily exploits in their journal, because whether it turns out to be a good day or a bad day, every day is precious. Source: Official Koala's Diary web anime home page
