Manga centering on battle between Onizuka, Kasai will launch this summerShueisha 's Grand Jump magazine revealed on Friday that Boichi will draw a new manga for Masanori Morita 's Rokudenashi Blues manga. The manga is titled Rokudenashi Blues Gaiden: Onikazura and will launch in Grand Jump this summer. Image via Grand Jump's X/Twitter account © Masanori Morita, Boichi, ShueishaThe 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. Boichi launched The Marshal King on Shueisha 's Shonen Jump+ service in February 2025.