The manga was released in 2020, revolving around Crossbone Vanguard 1 year before the movie Gun F91
Kodoani.com – In the June issue of Kadokawa's Gundunda Ace magazine, information was revealed on Thursday stating that the manga's final chapter “Mobile Suit Gunma F91 Prequel” by Junji Ōno was posted.
This manga is set in the year UC 0122, just before the events of the movie “Mobile Suit Gundam F91”, and focuses on the Crossbone Vanguard. The plot describes part of the events in the novel “Mobile Suit Gundam F91 Crossbone Vanguard” by Yoshiyuki Tomino.
Junji Ōno launched the manga in Gundunda Ace magazine in January 2020. Kadokawa published the manga's fifth volume in August 2023.
“Manga Mobile Suit Gunma F90” ran from 1990 to 1991 and only had one compiled volume. This manga is similar to a prequel to the animated film “Mobile Suit Gundam F91”.
Additionally, Kiyoshi Imanya, Nobuyoshi Ino and Sejoon Kim launched the “Mobile Suit Gunma F90 FF” manga in Gundam Ace magazine in June 2019 and ended it on March 26. The manga's 11th and final volume was also published on the same day.