Baki Gaiden: Kaioh Retsu Isekai Spin-Off Gets TV Anime
The spin-off's anime announcement confirms that TMS Entertainment's current Baki anime run, which began with the 2018 Netflix series, is expanding beyond direct adaptations of Itagaki's main manga line into side-story territory.
Key Facts
- TMS Entertainment announced a TV anime adaptation of Baki Gaiden: Kaioh Retsu wa Isekai Tensei Shitemo Ikkō ni Kamawan on Monday, August 30, 2026.
- The spin-off manga follows Retsu Kaioh reincarnating into another world after losing his life in a battle with swordsman Musashi Miyamoto.
- The manga has over 2 million copies in circulation across print and digital editions as of August 2026.
- The series' 17th compiled book volume will ship on September 8, following the 16th volume released on March 6.
- A stage play adaptation titled Baki The Grappler STAGE Gaiden -Retsu Kaioh wa Isekai Tensei Shitemo Ikkō ni Kamawan will run from March 19 to 22, 2027 at Owl Spot in Tokyo.
Reporting from 2 sources: Anime News Network, Anime Corner.
TMS Entertainment announced on Monday that Baki Gaiden: Kaioh Retsu wa Isekai Tensei Shitemo Ikkō ni Kamawan, the isekai spin-off of Keisuke Itagaki's Baki franchise, is receiving a TV anime adaptation. The announcement came via TMS Anime's YouTube channel and Comic Natalie. The manga centers on the Kenpo-style master Retsu Kaioh, who reincarnates into another world after losing his life in a battle with swordsman Musashi Miyamoto. In the new world, Retsu sets out to prove the strength of Chinese martial arts against swords, magic, and powerful creatures. The manga launched in Akita Shoten's Monthly Shōnen Champion magazine in 2020. Eiji Mutsui is drawing the manga, while Keisuke Itagaki and Sai Ihara are credited for the original concept and story, respectively. As of August 2026, the series has surpassed 2 million copies in circulation across print and digital editions. Akita Shoten published the first compiled book volume in May 2021 and the 16th volume on March 6. The 17th volume will ship on September 8. TMS Entertainment continues its involvement with the franchise following Baki, Baki Hanma, and BAKI-DOU.
- The announcement trailer is available on the BAKI official X account and TMS Anime's YouTube channel.
- TMS Entertainment handles animation production, the same studio behind BAKI, Baki Hanma, and BAKI-DOU.
- Keisuke Itagaki and Sai Ihara (also credited as Daisuke Ihara) are credited for the original concept and story, respectively, with Eiji Murai drawing the manga.
- A stage play adaptation titled Baki The Grappler STAGE Gaiden -Retsu Kaioh wa Isekai Tensei Shitemo Ikkō ni Kamawan was announced in July. It runs March 19-22, 2027 at Owl Spot (Toshima Ward Performing Arts Exchange Center) in Tokyo.
- Kodama Tales began publishing the original Baki The Grappler manga worldwide in English in October 2025. Media Do releases the Baki sequel manga in English.
- The fifth manga series, also titled Baki-Dou but romanized differently, started in October 2018 and announced its anime adaptation in March 2024.
- The latest manga in the franchise, Baki Rahen, launched in Weekly Shōnen Champion in August 2023.
Synthesized by Yomimono from the 2 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.
Sources
- Anime News Network News Baki Isekai Spinoff Manga Gets TV Anime
- Anime Corner Baki Gaiden: Kaioh Retsu Isekai Spin-Off Gets TV Anime Adaptation