Kyokuryu-kai is the principal designated boryokudan lineage associated with Okinawa. Its history reflects the island chain’s distinctive postwar environment, including the legacy of U.S. administration, local gang competition and later consolidation. The organization is especially valuable for the archive because it opens a regional branch far removed from the Kobe–Tokyo axis that dominates most yakuza coverage.
Why this profile matters
This profile expands an existing canonical the archive node rather than creating a duplicate. Its main purpose is to make the Japan knowledge graph denser by connecting regional groups, people, conflicts and legal changes.
the archive connections
Yoshihiro Onaga Yakuza, Kiyoshi Tominaga, Yakuza, Boryokudan Explained.
Sources
– [Japan National Police Agency — White Paper 2010, List of Designated Boryokudan](https://www.npa.go.jp/hakusyo/h22/english/White_Paper_2010_5.pdf) — Official historical table covering regional syndicates and their areas of influence. – [Japan National Police Agency — Police of Japan 2021, Designated Boryokudan Groups](https://www.npa.go.jp/english/Police_of_Japan/police-of-japan2021/001/001.pdf) — Official list of designated boryokudan groups, offices and membership figures as of end-2020.
Connected records
How to read the network
People who shaped this story
Rivals, allies and counterpart organizations
Collectibles & memorabilia
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References
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[1]Japan National Police Agency — Police of Japan / Organized CrimeTier 2SupportsView source ↗
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[2]Japan National Police Agency — Police of Japan 2021, Designated Boryokudan GroupsTier 2MentionsSupportsView source ↗
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[3]Japan National Police Agency — White Paper 2010, List of Designated BoryokudanTier 2MentionsSupportsView source ↗
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[4]Japan National Police Agency — White PapersTier 2SupportsView source ↗