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