Mizore Yoroizuka

Birthday: July 2
Zodiac: Cancer
Height: 154 cm
Blood type: AB
Instrument: Oboe

Mizore is a second year at Kitauji High School. She is the only oboe player in the concert band. Mizore is a very silent and introverted girl, and despite seeming to be hard to interact with, she has friends like Natsuki Nakagawa, Yuuko Yoshikawa, Nozomi Kasaki. She likes practicing the oboe alone outside the classroom, and frequently arrives early to school hours before the start of her classes to practice.

Due to the previous years' event, she was afraid to talk to her friend, Nozomi Kasaki, so she avoided her. However, due to an unexpected move by Nozomi to talk to Mizore causing her to run off, the latter managed to talk things out with Nozomi and restore their friendship.

In Liz to Aoi Tori, Mizore becomes less dependent on Nozomi and decides to go to music school after graduating.
(Source: Hibike! Euphonium Wikia)