D-1 Devastator

Ryo joins Yaesu, a vehicle company, in an attempt to uncover what happened to his missing friend Masato. Ryo becomes involved with the Makuhari test course, a facility where Masato was also working. The leader of the team, Gray Gear, instructs Ryo to visit the course at night to ride the new Vector Versus machine, which he claims will provide insight into Masato's disappearance. While reaching high speeds on the Vector Versus, Ryo is unexpectedly transported to a strange, unexplained space.