In an effort to trace his vanished friend Masato's path, Ryo enlisted at the Yaesu automobile firm. His journey intertwined with Masato's at the Makuhari test course, overseen by the enigmatic Gray Gear. Prompted by Gray Gear to uncover Masato's truth, Ryo embarked on a late-night escapade with the cutting-edge vehicle, Vector Versus. As he pushed the machine beyond 300 kilometers per hour on the course, Ryo found himself unexpectedly transported to a surreal and enigmatic dimension.