It is Tokyo, Japan in 2017, three years before the city hosts the 2020 Olympic Games.
Across the metropolis, the Shutoko expressway network is being dismantled and rebuilt, while new districts and venues rise at a frantic pace to finish before the Games.
Hyuga Corporation—a colossal enterprise that pioneered the commercial use of artificial muscle fibers—has begun rolling out a range of products that enhance human muscular performance, riding into a period of explosive earnings.
Hidden in its Gaien‑mae headquarters on National Route 246, Hyuga Corp. was covertly engineering a powered exosuit that equips an average person with the elite capabilities of top athletes. This effort was part of a strategy to outshine rivals and secure a monopoly in the field.
Dan Amo serves in Hyuga Corp."s General Affairs office. During daylight he is an ordinary clerk, yet at night he savors the thrill of his motorcycling passion. When darkness falls on Route 246, a cadre of enigmatic riders in black suits frequently appears, and freelance journalist Makina Mikage is constantly shadowing them. Kotaro Hyuga, the heir to the company"s presidency, also joins the scene.
The inexorable threads of destiny begin to weave these three young riders together…
Shimogumi Japan