The official Twitter/X of the Blue Miburo TV anime series has announced the casting of voice actor Taku Yashiro as Yamazaki Susumu for its upcoming second season. Season two will begin airing in Japan on December 20, 2025 and will adapt the “Serizawa Assassination” story arc.
Yashiro joins an anime voice cast that includes:
- • Shuichiro Umeda as Nio Chirinu
- • Yohei Azakami as Toshizo Hijikata
- • Kensho Ono as Okita Souji
- • Chiaki Kobayashi as Hajime Saito
- • Shun Horie as Taro Tanaka
- • Ryota Takeuchi as Serizawa Kamo
Kumiko Habara (Doctor Elise: The Royal Lady with the Lamp) returns to direct season two, along with Kenta Ihara (Tsukimichi: Moonlit Fantasy) as series composer, Yuko Oba (Doctor Elise: The Royal Lady with the Lamp) and Miyako Nishida (Rainbow Days) as character designers, and Yuki Hayashi (My Hero Academia) as music composer. MAHO FILM is in charge of the animation production.
The 24-episode first season aired in Japan on October 19, 2024 and ended on March 29, 2025.
The anime is based on the historical samurai manga series by Tsuyoshi Yasuda, which began serialization in Kodansha’s Weekly Shonen Magazine on October 13, 2021. Twenty-one tankobon volumes have been released as of October 2025, with the manga’s second part, the “Shinsengumi Arc,” starting from the 15th volume. Kodansha USA releases the manga in English under the title The Blue Wolves of Mibu.
Crunchyroll is streaming the first season of Blue Miburo in select countries and territories worldwide, describing the main synopsis as:
The Black Ships arrive in Kyoto as the shogunate stumbles toward ruin. Living amidst the chaos is Nio, a kindhearted boy on the verge of discovering his destiny. He meets two “Miburo,” Hijikata Toshizo and Okita Soji, members of the band of Mibu ronin who will later become the famous Shinsengumi. With dreams of a better world, Nio joins their fight to defend the city.