To be a misfit, in Japan's escape from post war era, go through follow the old hierarchy, old principles, old values,... or through crime, prostitution and drugs. Both conclude in the yakuza community.
Yakuzas was the misfits of new era. But Riki Ishimatsu, the main character of this movie and a historical real one, had that rawness of spirit, violence and madness that makes him become a misfit for the misfits.
"The Yakuza papers" is a masterpiece, but this film seems to me much better work in almost everything.