Taku Imura

Taku Imura (井村 たく) 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 clarinetist in Kumiko Oumae's second year.

Seiko Ashida
Taku is a childhood friend of her fellow clarinetist Seiko (they live not far from each other).

Unnamed Younger Brother and twin brothers
Taku has a younger brother in the fifth year of elementary school and two twin younger brothers in their first year of elementary school.

Etymology

 * Taku's surname Imura means "well, mine shaft, pit" (井) (i) and "town, village" (村) (mura).