The primary reason a complete English patch does not currently exist is the sheer scale of the project.
A complex system where your actions dictate your relationship with various high schools and syndicates. If playing on Kenka Bancho 5 English Patch
If you cannot wait for a full patch, there are still ways to play and understand Kenka Bancho 5 . 1. The "Script Guide" Method (Partial Translation) The primary reason a complete English patch does
If you want to experience Kenka Bancho 5 without a patch, you can use these resources to navigate the Japanese menus and story: Kenka Bancho 5 English Patch
While the main series remains largely untranslated, the spin-off Kenka Bancho Otome has seen more recent activity, with a Switch port announced and several partial fan translation attempts for the Vita. For fans of the original brawler style, supporting official Spike Chunsoft releases is the best way to signal interest in future localizations.