Sumiko Hirao

Sumiko Hirao (平尾 澄子) is a character of Sound! Euphonium. She is a second-year student of Kitauji High School and a tenor saxophone player in the Kitauji High School Concert Band.

Etymology

 * The name Sumiko means "clear, pure" (澄) (sumi) and "child" (子) (ko).
 * Sumiko's surname Hirao means "flat" (平) (hira) and "tail" (尾) (o).