Kyoki no Sakura plot
Simple story about three street kids who come up with the idea that today's Japan is deteriorating due to the increasing Western influences and that they have to tackle the associated drug and prostitution nuisance and everything that is bad for Japan. Before the big cleanup, they use their fists, chains, or any other technique to turn the fight in their favor. With this they acquire such a reputation that the criminal establishment begins to fear for its shady dealings. These in turn decide to find a way to get rid of the three.