The Kill Blue anime series has cast Ikumi Hasegawa as Mermaid Queen Mai Otohime, a marine sports prodigy with a dual personality. The anime, directed by Hiro Kaburagi and produced by CUE, features an all-star cast, including South Korean girl group aespa and boy band RIIZE. The series premiered on various Japanese networks and is streaming on platforms like Netflix, Crunchyroll, and Amazon Prime Video with an English dub. The manga, written by Tadatoshi Fujimaki, concluded in September 2025, and a novel adaptation was released in December 2025. Viz Media is publishing the manga in print and digitally, offering fans a chance to immerse themselves in the world of Kill Blue.
