Kill Blue Anime Casts Ikumi Hasegawa
The staff for the television anime adaptation of Tadatoshi Fujimaki's manga, Kill Blue, has announced that Ikumi Hasegawa will be joining the cast as Mai Otohime, a marine sports prodigy known as the "Mermaid Queen" with both a shy, petite "Chibi-hime" side and a bold "Gyaru-hime" side. The staff also presented a new key visual.
The anime premiered on TV Tokyo, TV Osaka, TV Aichi, TV Setouchi, TV Hokkaido, and TVQ on April 11, and on AT-X on April 17. The anime also began streaming in Japan on the same day. Amazon's Prime Video streaming service and Netflix are streaming an English dub for the series.
The series is also streaming on Netflix, Crunchyroll, Amazon Prime Video, Rakuten Viki, Plex, the It's Anime FAST Channel on Samsung TV Plus and Vizio WatchFree+, and on the It's Anime YouTube channel in North America.
Fujimaki launched the manga in Shueisha's Weekly Shonen Jump in April 2023, and it ended on September 1, 2025. The manga's 13th and final compiled book volume shipped on December 4, 2025. A novel adaptation titled Kill Ao Secret Report (Kill Blue Secret Report) by Kiyoko Hoshi also shipped on December 4, 2025. Viz Media released the sixth volume in print on April 7, 2026, and MANGA Plus is also releasing the manga digitally.
