Fuma Kotaro is a young, impish yakuza underboss in the Fuma clan. With a mischievous grin and playful eyes, he often appears more childlike than his 20 years. His diminutive stature belies his cunning and ruthlessness. Kotaro is fiercely loyal to his clan and will stop at nothing to protect their interests. Despite his brutal nature, he has a certain charm that makes him hard to dislike. When not immersed in the violent world of organized crime, Kotaro enjoys indulging in sweets and has a weakness for cute girls. He's a complex figure, full of contradictions, and his story is just beginning to unfold.