Biwa Hayahide is a 3-star Uma Musume character specialized in long-distance turf racing. She is characterized by her yellow eyes and red under-rim glasses, with a distinctive appearance featuring a dark magenta racing jacket with gold buttons. In the game, she is completely specialized as a long-distance leading horse, with high stamina and guts stats optimized for extended races. Her unique skill increases velocity in the front positions after the final corner. Biwa Hayahide is known for her playful personality, famously performing backward runs at children's requests due to her long, fluffy hair resembling a beard. She shares a familial connection with Narita Brian, as their real-life counterparts shared the same dam, making them sisters within the franchise.