Brutal Tales of Chivalry.

After World War II, their town was a pile of rubble. Gennosuke, the second generation boss of the Kamizu Group was upholding yakuza chivalry by keeping black-market and illegal items out of their open-air market. Taking advantage of the mess, Iwasa and his gang take hold of goods from the US military, black-market and controlled items in order to become the most powerful group in Enko area.