The Karasuma Girls help out at the Honosaka Clinic where they see a surprisingly hard-working side of Sonia. But it turns out Sonia also has plans for Kana at their school's upcoming culture festival...
I think collecting them was 
my grandmother's hobby.
أظنّ جمعها كان هواية جدّتي
Oma liebt es,
diese Noten zu sammeln.
Ma grand-mère
adorait les collectionner.
Credo che mia nonna avesse l'hobby di collezionarli.
Parece que minha avó
adora colecioná-los.
Бабушка любила их коллекционировать.