Mamiko Oumae - 黄前麻美子

About
Kumiko's older sister. She is a college student and was a trombone player in a brass band. She taught Kumiko to use a mouthpiece when she was a child.

Kumiko's older sister. She is a college student and was a trombone player in a brass band. She taught Kumiko to use a mouthpiece when she was a child.
