Jet Set Radio follows the story of Tak, a young graffiti artist living in the fictional city of Tokyo-3. The city is plagued by corrupt corporate gangs known as the "Corporations," who seek to suppress any form of self-expression or rebellion. Tak and his friends, including Beebee and Gumo, aim to challenge these Corporations through their street art and music, bringing hope and inspiration to the people.
The gameplay in Jet Set Radio revolves around creating and sharing graffiti in a 3D open world. Players control Tak as he navigates through levels, collecting items and completing objectives while leaving his mark on the city's walls. The game features fast-paced action sequences, including bike chases and combat against Corporation agents.