Soai-kai, Organized crime group in Japan

Soai-kai is one of the yakuza organized crime groups in Japan.

The organization's roots trace back to the early 20th century.

Soai-kai, like other yakuza organizations, is involved in various cultural and ceremonial traditions.

Due to its criminal nature, tourists should remain aware but not overly concerned about the Soai-kai's presence.

Soai-kai is notable for its strict codes of conduct and hierarchical structure unique among criminal organizations.

• GPS coordinates: 35.52197,140.16742
• Latest update: August 31, 2026 12:14