久美子

Kumiko Oumae is the protagonist of Sound! Euphonium — a contemplative high school student whose journey with the euphonium mirrors her own path of self-discovery and growth.

From the practice rooms of Kitauji High School to the grand stage of nationals, Kumiko transforms from an uncertain first-year student into the band's president, inspiring everyone around her with her dedication and passion for music.

Her story is one of perseverance, friendship, and the beautiful struggle of pursuing excellence — embodied in her iconic declaration: "I want to improve!"