Ken Falco, also known as Ken Hayabusa, is a central character defined by a personal tragedy within the racing world. His older brother was murdered by the criminal racing team Black Shadow, an organization that employs unscrupulous and dangerous methods to secure victory. This event serves as his primary motivation, driving a vow to take revenge against those responsible. He is a member of the Saionji racing team, formed specifically to challenge the corruption brought by Black Shadow. As the team's lead driver, he operates a technologically advanced vehicle developed by Dr. Saionji, a machine of immense speed and power designed to counter the criminal threat. This vehicle is a key instrument in the effort to defeat the organization and restore integrity to the sport. He undergoes severe training alongside his teammates to prepare for the challenges posed by their opponents, with the ultimate goal of teaching the criminals a lesson and ending their control over the racing world.