Kazuma Kiryu is a fictional character and the main protagonist of the Yakuza video game series created by SEGA. He is known for his strong sense of justice, loyalty, and a complex moral code. Kiryu is a former member of the Tojo Clan, a prominent yakuza organization in Tokyo, Japan, and often finds himself embroiled in conflicts that challenge his values. Throughout the series, Kiryu is depicted as a skilled fighter with a deep commitment to protecting those he cares about. His character development spans multiple games, showcasing his struggles with his past and his efforts to lead a more peaceful life while navigating the criminal underworld.