Mamiko Oumae (黄前 麻美子)
Kumiko's older sister and one of the reasons behind Kumiko's interest in playing brass instruments.
Hibike! Euphonium
Supporting
Hibike! Euphonium 2
Hibike! Euphonium Movie 2: Todoketai Melody
Hibike! Euphonium 3
Numakura, Manami
Veres, Haley
