Michiru Hakase

Michiru Hakase (葉加瀬 みちる) is a side character of Sound! Euphonium: The Movie - Our Promise: A Brand New Day film. She is a new first-year at Kitauji High School who joins the band as a trombonist in Kumiko Oumae's second year.

Personality
Michiru is an experienced musician from Minami Junior High School.

Shuuichi Tsukamoto
Michiru deeply admires Shuuichi and that she proactively converses with him during sectional practices. Eventually, the two grow closer and Michiru begins hanging out with Shuuichi outside of school. Kumiko Oumae mistakes the two as flirting, and becomes slightly jealous. Kanade Hisaishi is also aware of the situation, and filled in Kumiko on her behavior.

Etymology

 * Michiru's surname Hakase means "leaf" (葉) (ha), "add, increase" (加) (ka) and "swift current, rapids" (瀬) (se).

Trivia

 * Michiru is constantly up-to-date on fashion trends.
 * Michiru constantly checks her social media accounts.