Hiro Kahashi

Hiro Kahashi is a supporting character in Sound! Euphonium series. She was a student at Kitauji High School two years above Kumiko Oumae who played horn in F in the school's concert band. Hiro has long, brown hair that is adorned by red or black ribbon on top, olive green eyes and she is recognizable by her tiny eyebrows.

Hiro was very opposed to Noboru Taki's methodology early in the series and she was often seen angry towards him. Prior to his arrival, she was a very carefree girl where she was shown to be a dedicated and talented member of the ensemble later on.