Retsu Kaioh reincarnated into another world. It began in the November 6, 2020 issue of Monthly Shōnen Champion. Collected into five volumes as of June 2022. - Spinoff series, illustrated by Takaaki Hayashi, set a few days after Gaia and Sikorsky's fight. It began in the October 6, 2022 issue of Monthly Shōnen Champion. SupplementsGrappler Baki: Red Dragon Side, Grappler Side - Compendium of the characters and events in the world of Grappler Baki, covers until volume 23 of the second saga.Grappler Baki: Blue Tiger Side, Fighting Side - Compendium of every battle fought and its results in the world of Grappler Baki, also covers until volume 23 of the second saga. Original video animations A 45-minutes original video animation (OVA) was released in 1994. The story is a close adaptation of the first few volumes of the original manga, adapting the Karate Tournament arc (not adapted in the later TV series) and Baki's fight with Shinogi Koushou, later adapted in the episode 18 of the Baki the Grappler TV series. It was licensed and released under the title Grappler Baki: The Ultimate Fighter in North America by Central Park Media on VHS on December 1, 1996 and on DVD on December 1, 1998. Manga Entertainment later released it in Australia and the United Kingdom. A 15-minutes original animation DVD (OAD), referred to as , was included with the limited edition of the 14th volume of Baki-Dou on December 6, 2016. However, it adapts the arc of the same name from the second manga series, which is titled simply Baki. Created by Telecom Animation Film, it was directed by Teiichi Takiguchi and focuses on five inmates who break out of prison from around the world and travel to Japan. Anime A 24-episode anime series aired on TV Tokyo between January 8, 2001 and June 25, 2001. The anime was produced by Free-Will, a music record label. A second 24-episode series, titled as it tells the story from that part of the manga, aired from July 23, 2001 to December 24, 2001. All of the series' music was written and composed by "Project Baki", and all the theme songs performed by Ryōko Aoyagi. The first anime's opening theme is , while its closing theme is "Reborn". For the second series, "All Alone" is used as the opening and "Loved..." as the closing. Baki the Grappler: Original Soundtrack was released on March