The Kumamoto-gumi is a prominent yakuza organization based in Japan, specifically in the Kumamoto Prefecture. It is part of the larger Yamaguchi-gumi, which is one of the most powerful yakuza groups in the country. The Kumamoto-gumi engages in various illegal activities, including extortion, gambling, and drug trafficking, while also maintaining a presence in legitimate businesses. Founded in the mid-20th century, the Kumamoto-gumi has a reputation for its strict code of conduct and loyalty among its members. Like other yakuza groups, it is known for its hierarchical structure and rituals, which reflect traditional Japanese values. The organization has faced law enforcement crackdowns in recent years, impacting its operations.