Interesting about China's new song is that they translated it as "A Tiny Brave Promise".

Credits are pretty funny too
▶Music
Song by China Kuramoto (VA. Mao Ito)
Lyric written by Shoko Ohmori
Composed, Arranged by Evan Call

【Musicians】
Drums : Leon Yuki
Acoustic Guitar : Hiroaki Tsutsumi
Electric Bass : Kazuhiro Sunaga

【Production in Hungary】
Orchestra : Budapest Scoring Orchestra
Conductor : Ábel Tompa
Session Producer : Bálint Sapszon
Orchestra Coordinator : Bertalan Veér
Recording Engineer : Viktor Szabó
Studio assistant : Botond Buczkó / Marcell Novák
Librarian : Ágnes Sapszon

Instrumental Recording & Mixing Engineer : Atsushi Fujita
Assistant Engineer : Seiya Kawagoe(AVACO STUDIO)
Recording Studio : Rottenbiller Studio (Hungary) / AVACO STUDIO (Japan)
Mixing Studio : Sound Lab OISEAU

Music Coordination : Takahiro Ikeda (Miracle Bus)

▶Movie
Director/Storyboard/Illust/Animation:sto1e
Co-Director/Animation/Composite:Fumiko Kumagai
Co-Director/MV Producer:KEISUKE YANO
_________________________________________


Here's an MV from the director that probably what to expect
https://www.youtube.com/watch?v=Qw-FSw7d2zE