Image source: Grand Jump issue 18 — via Anime News Network
This year's 18th issue of Shueisha's Grand Jump magazine announced on August 19 that the launch of the upcoming Rokudenashi Blues Gaiden: Onikazura manga based on Masanori Morita's Rokudenashi Blues manga is delayed from summer to winter and will now feature art by Yuki Yoshimoto.
Morita originally stated on X/Twitter in Januarythat the manga is set in the first half of the 1990s, and is not a sequel, but is insteada story about "the fight between those two people" that took place during the manga but was never depicted. The manga will center on the characters Onizuka and Kasai, two of the "four heavenly kings" in the story.
Boichi was originally announced as the artist for the new series.
The original manga ran in Shueisha's Weekly Shonen Jump magazine from 1988 to 1997 and has 42 volumes.
The manga inspired a 1992 anime film, as well as the Rokudenashi Blues 1993 anime film.
The manga inspired two live-action films in 1996 and 1998, as well as live-action television series that debuted in 2011. A stage play adaptation ran inDecember 2010.
The manga centers on Taison Maeda, a student at Teiken High School in Kichijōji, Tokyo, who aims to become a professional boxer, and who overcomes manyformidable opponents.
Morita's other manga include Rookies, Beshari Gurashi, and Zashisu, among others.
Yoshimoto and Jun'ichi Fujisaku launched the Ghostin the Shell: The Human Algorithm manga in Kodansha's Young Magazine in September 2019, and ended the series on the Comic Days app in April 2025.