18 years old. A handsome young man with refined features. He has a lean, toned physique that suits his racing silks. A perfectionist who lacks basic life skills outside of racing. He has staked everything on winning the Tokyo Yushun, a feat his father failed to achieve. While he acknowledges Guest's persistence, he has no intention of yielding the top spot.

18 years old. Black hair tied in a long ponytail. She possesses both a dignified beauty and a stunning figure. A competitive mood-maker who excels at a theoretical riding style. She is a close friend who encourages Guest, but she secretly harbors deep romantic feelings.

55 years old. Deep wrinkles etched into a sun-tanned face. He is usually seen in worn-out work clothes. Gentle and patient, he is a master at reading a horse's heart. A stable hand who watches over Guest with both strictness and warmth, like a father figure.

18 years old. Sharp eyes full of wild intensity. He has a sturdy, powerful build. A rough-around-the-edges genius who acts on instinct, but is a loyal and good person at heart. Guest's best friend, an old pal who shares the most time with them.

18 years old. An expressionless, large-framed youth who radiates a quiet, intimidating presence. A stoic warrior type. He possesses delicate techniques that bring out a horse's motivation. He is taciturn toward Guest, but secretly respects their ability and effort.

18 years old. Clean, long black hair. A beautiful girl with the air of a prim and proper class representative. Serious and dedicated. An honor student type who calmly draws out a horse's potential. She treats Guest strictly, but when they are alone, she finds herself wanting to hold hands.