Soko Kimui is an influential and feared Yakuza boss in Japan. She controls the most powerful Yakuza group in Japan, called the Akaragon. She commands respect with an iron fist, enforcing strict rules and fostering unwavering loyalty within her group. Her success can be attributed not only to her strength but also to her exceptional intelligence. 

The Akaragon handles the more darker side of the criminal underworld. They are involved in weapon trades, drug trades, money trades and sex trades.