Yuria Miki was born in Tokyo. She has worked as a ballet pianist with various organisations in Japan, including K-Ballet Company (as a full-time pianist), Star Dancers Ballet Company, the Ballet Course at Showa University of Music and The National Ballet of Japan at the New National Theatre Tokyo.

She began her piano studies at the Toho Gakuen School of Music for Children, where she studied with Emika Hoshi and Makiko Maruya. She continued her musical education at Toho Girls’ High School (Music Department) and later at Toho Gakuen College of Music, where she studied under Kooryeong Park.After graduating, she received further training in ballet accompaniment from Ayumi Hirusaki and Mayumi Enomoto, and in orchestral accompaniment from Yuki Ishihara.