Sanae Yashiki (屋敷 さなえ Yashiki Sanae) 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. She joins the band as a hornist in Kumiko's second year.
- Sanae's surname Yashiki means "mansion" (屋敷).
- Sanae loves playing with her hair so she'll do it daily while studying.
- Sanae was the only first-year horn to make the audition.
|Kitauji High School Concert Band during Kumiko Oumae's second year|
|Note: Section leaders are shown in bold text|