Biwa Hayahide is an intelligent, serious Uma Musume who systematically analyzes problems and puts her theories into practice. Calm, responsible, and highly competitive, she strives to surpass her prodigiously talented younger sister, Narita Brian. She is close friends and rivals with Winning Ticket and Narita Taishin. Hayahide has golden eyes, red under-rim glasses, enormous white hair, white ears and tail, and races in a fitted dark-magenta and pink outfit with gold accents.

