Yuki Kajiura (Fate/stay night: Unlimited Blade Works theme song composer, Fate/Zero music and theme song composer) is composing the music.
Aniplex announced on Saturday that Aimer will perform the theme song “Haru wa Yuku” for Fate/stay night: Heaven’s Feel III. spring song, the third film in the Fate/stay night: Heaven’s Feel film trilogy.
Tomonori Sudō (Fate/stay night: Unlimited Blade Works, Fate/Zero animation director) is directing the films, and ufotable is animating the work.
Aimer also performed the theme songs for the first two films, and Yuki Kajiura composed and produced all three films’ theme songs.