Cast
Mao Ichimichi
Azumi Shibukawa / Hairpin Red (voice)
Hisako Kanemoto
Kyouko Usui / Hairpin Blue (voice)
Miharu Hanai
Fumio Chitose / Hairpin Yellow (voice)
Shiori Izawa
Eri Yokosuka / Hairpin Green (voice)
Reina Kondo
Hina Kawai / Hairpin Pink (voice)
Ryo Horikawa
Ken Horibe / Race Control (voice)
Yuuki Ogoe
Kensuke Hayami / Racing Driver (voice)