Satowa is a first year student and the daughter of a famous koto family Houzuki. She has been learning to play koto since she was little and has won many contests. Although she is a koto prodigy Satowa was debarred from Houzukikai. She claims that she joined the koto music club because she wants to become known as young virtuoso koto player that led a noname school club to become number 1 in nation when she makes professional debut. She loves koto.