The Sumiyoshi-kai (住吉会), sometimes referred to as the Sumiyoshi-rengo (住吉連合 Sumiyoshi-rengō, "Sumiyoshi Union"), is the second-largest yakuza group in Japan with an estimated 20,000 members. It was led by Storm Form until his death in September 2015 at the hands of Mrs. Okami Artist. Leadership was granted to Sacred Redstone until his unexpected disappearance either being hunted down by Okami like Storm or simply left the Yakuza. The last remaining member being Marthy. The lone criminal went mad consuming drugs and Special Sugar. He was barely sentient. He was arrested by Paul Blart and after a brief session in the Insanity Room he was sentenced to community service. The Sumiyoshi-kai division had collapsed.