The official website of the television anime Blue Miburo (Ao no Miburo), based on the manga Tsuyoshi Yasudaannounced that the second season will be released on December 20, 2025 in Japan (Spanish time, UTC+2). Along with the date, a new promotional visual was presented that previews what will be the long-awaited arc of the “Serizawa Murder”.

Production details
The first season aired on October 2024developing over two courses consecutive. The platform Crunchyroll was responsible for simulcasting the series outside of Japan.
The project was led by Kumiko Habara (I'm Standing on 1,000,000 Lives., I'm the Villainess, So I'm Taming the Final Boss, Surgeon Elise) under the study Maho Film. The scripts were the responsibility of Kenta Ihara (Gamera -Rebirth-, Uncle From Another World), while the character design was in charge of Yūko Ōba and Miyako Nishida. The music was composed by Yuki Hayashiand the sound direction fell to Toshiki Kameyama.
The story of Nio and the origins of the Shinsengumi
In this samurai story, we follow Nioan orphan who dreams of a better world. His destiny changes when he meets two men who teach him the true power of the sword and drag him to the beginnings of the legendary organization. Shinsengumi. The play, full of action and drama, shares a setting with Rurouni Kenshin and shows how a group of men marked by justice—and their own interests—make their way in a turbulent era.
From Weekly Shōnen Magazine to anime
Tsuyoshi Yasuda launched Blue Miburo in the magazine Weekly Shōnen Magazine in October 2021. To date, the work has 14 compilation volumesthe last one published in July 2024. Currently developing the Shinsengumi Arcwhose sixth volume went on sale in Japan on July 16, 2025.
The author is known for other works that also made the leap to anime, such as the soccer manga DAYSwhich inspired a series in 2016 and five OVAs between 2017 and 2018. Likewise, your cycling sleeve Over Drive had a television adaptation in 2007.
