The official website of the Sora wa Akai Kawa no Hotori (Red River) television anime revealed the main cast, additional staff, opening theme, and a teaser promotional video on Tuesday. The anime series adapting Chie Shinohara's adventure fantasy manga will air on NTV and BS NTV in July 2026.

Cast
Yuri Suzuki: Mirai Tachibana (Idoly Pride)
Kail Mursili: Wataru Katou (Kimi no Koto ga Daidaidaidaidaisuki na 100-nin no Kanojo)
Narrator, Himuro: Hiroki Nanami (Sengoku Youko)

Staff
Sound Director: Hiroto Morishita (Tsue to Tsurugi no Wistoria)
Music: Yoshihisa Hirano (Hunter x Hunter (2011))
Sound Production: Team Kawadon

Hiroki Nanami is performing the opening theme "Akatsuki no Sora."

Kousuke Kobayashi (Alma-chan wa Kazoku ni Naritai) is directing the anime at Tatsunoko Production. Yoriko Tomita (Sono Bisque Doll wa Koi wo Suru) is handling the series composition and Kenji Fujisaki (Blood Lad) is designing the characters.

Shinohara serialized the historical drama shoujo manga in Sho-Comi from January 1995 to June 2002. Shogakukan published the 28th and final volume in July that year and reprinted the series in 16 paperback edition volumes between October 2006 and May 2007.

VIZ Media licensed the manga in English in February 2004 and published all 28 volumes from June 2004 to January 2010. The company began releasing 3-in-1 omnibus editions in October 2024 and shipped the sixth omnibus volume on January 20.

Teaser PV


Source: Press Release