The Soai-kai is a yakuza organization based in Chiba, Japan, formed in 1945 by Toramatsu Takahashi. Originally named the Gyosui-kai, it was renamed Takatora-gumi and later Soai-kai in 1955 when it became independent. It is a designated yakuza group with an estimated 80 active members and is one of the three dominant yakuza groups in Chiba Prefecture.
CRIMENET has extracted 6 linkages for this organization, including 3 cooperative ties across 3 organizations and 3 other connections.