Car: Nissan SilEighty
Yay! A girl group. Mako is the one who drives the Nissan SilEighty while her partner, Sayuki is her navigator instructs her on how to drive. Together, the two are the fastest in Usui. Mako met Iketani before when her car broke down and he helped her. She is the one who asks Iketani to arrange for her to race Takumi.
Car: Nissan SilEighty
Saiyuki is the other member of the Impact Blue Combination. She's the navigator. Her job is to instruct Mako on how to drive and things like that. She's a more outgoing person than Mako. She's also got a crush on Takumi but he's younger than her.