Haruna Hosono

Haruna Hosono (細野 暖奈) 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 an alto saxophonist in Kumiko Oumae's second year.

Etymology

 * The name Haruna means "warm" (暖) (haru) and "Nara, what" (奈) (na).
 * Haruna's surname Hosono means "fine" (細) (hoso) and "field, wilderness" (野) (no).

Trivia

 * Haruna is the biggest eater of the band who would nonchalantly eat forever and other people think that she can't be stopped.
 * She is also good at cooking that she is thinking about making a menu with large portions for her brings her intolerable levels of happiness.