Sumiyoshi-kai, Organized crime group in Japan
Sumiyoshi-kai is one of the largest Yakuza syndicates in Japan.
The Sumiyoshi-kai originated as a federation of dockworkers in the Sumiyoshi ward, Osaka, during the Edo period.
It's structured with rituals and codes similar to samurai and chivalric cultures.
Due to its covert nature, tourists are unlikely to encounter Sumiyoshi-kai members openly.
Unlike other Yakuza families, Sumiyoshi-kai eschews flashy displays and maintains strict political neutrality.
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35.67072,139.73486
Latest update
August 31, 2026 11:54
