Shuri is caught listening to music during class and has her cellphone confiscated. The song heard through her earphones is Setsu's grandfather, Matsugoro's, improvisation piece "Shungyou." How? How does she know that song? When Setsu asks about it, Shuri tells him that's a song that holds precious memories for her and her grandmother.
An impromptu piece changes
 every time it's played.
.مقطوعة مرتجلة تتغيّر في كلّ مرّة تُعزف
Ein improvisiertes Lied,
das sich jedes Mal etwas verändert.
Una pieza improvisada
cambia cada vez que se toca.
Una pieza improvisada
cambia cada vez que se toca.
Par définition, un impromptu
varie à chaque exécution.
È un pezzo a improvvisazione...
Uma música improvisada
muda a cada vez que é tocada.
Импровизация звучит
по-новому с каждым разом.