In the bustling city of Tokyo in 2017, amid preparations for the upcoming 2020 Olympic Games, the Hyuga Corporation is at the forefront of innovation with their groundbreaking artificial muscle technology. Unbeknownst to many, the corporation is also developing powered suits that grant ordinary individuals extraordinary athletic abilities, aiming to revolutionize the industry and outshine their competitors. Dan Amo, a regular office worker at Hyuga Corp, leads a double life as a passionate motorcyclist by night. However, his nighttime rides on Route 246 are disrupted by the appearance of enigmatic riders in black suits, closely followed by determined journalist Makina Mikage. As the heir to the company's leadership, Kotaro Hyuga emerges, weaving a complex web of destiny that intertwines the lives of these three young individuals.