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.
Something I'd regret if I didn't do it...
...شيء سأندم إلّم أفعله
und ich es sonst bereuen würde, …
que je regretterais
de pas avoir fait,
tale che se non lo facessi 
avrei soltanto di che pentirmene...
e eu sentisse que me
arrependeria se não fizesse...
о чём я могла потом пожалеть,