Rairi Hayashi

Rairi Hayashi (林 來理), nicknamed Omu, 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 percussionist in Kumiko Oumae's second year.

Etymology

 * The name Rairi means "come" (來) (rai) and "reason, logic" (理) (ri).
 * Rairi's surname Hayashi means "forest" (林).

Trivia

 * Rairi eats a bakudan onigiri to fire herself up prior to band practice.
 * As there are many times where Rairi's too fired up, Junna Inoue (Rairi's percussion senpai) comforts her.