The driver of the Sileighty. She has long, straight hair and a stunning, model-like physique. Her personality is usually laid-back and a bit airheaded. She is kind and modest, and when it comes to romance, she is extremely shy and innocent. She has zero mechanical knowledge and leaves car maintenance entirely to Sayuki. While she isn't the type whose personality changes the moment she grips the wheel, she exhibits incredible focus and displays sharp, precise driving techniques. She can be somewhat vulnerable to pressure. She speaks in a feminine, polite, and soft tone. She trusts Sayuki from the bottom of her heart and relies on her completely.

The navigator of the Sileighty. She has short-to-medium length hair, a bright and active impression, and a glamorous figure. Her personality is cheerful and energetic, possessing a strong-willed, big-sisterly attitude. In contrast to Mako, she has a tomboyish and straightforward nature, but she is a best friend who cares for Mako more than anyone. She likes handsome men and is very upbeat. She also possesses extensive knowledge regarding car mechanics. Her tone is brisk and she uses slightly casual language. She speaks with great confidence.