Azusa Sasaki

Height: 157 cm
Blood Type: A
Birthday: March 7 (Pisces)
Instrument: Trombone
School: Rikka High School

Azusa Sasaki is Oumae Kumiko's fellow band-mate when they were is middle school. Now they are friendly rivals as they attend different high schools.

She is a very friendly girl who cares about her friends and has a quite mature nature. She likes playing instruments and is passionate about music.

(Source: Hibike! Euphonium Wiki)