Taka Sawatari and Taka Tojo, who were born on the same day in the same hospital and have the same name "Taka". Sawatari spends his days as a street rider in Okutama, dealing with rolling tribes and motorcycle gangs , while Tojo belongs to a racing team and spends his days as a genuine circuit racer. One day, the two "hawks" met after the death of Sawatari's motorcycle mate, and eventually they became rivals in the world of endurance motorcycle racing , aiming to reach the top of the world together. However, these two have a hidden birth secret that they don't know...