Around 2017, a group of anonymous translators on GBAtemp and the Kenka Bancho subreddit began extracting the text files. The first attempts were machine-translated messes. However, a dedicated fan known only as "Froid" took the lead.
Various teams on forums like GBAtemp have attempted projects, but many have stalled due to the sheer volume of text and complex file structures (specifically the .PAC and .BIN files). Kenka Bancho 5 English Patch