All the girls perform Orchestras to try to thwart the horde of Magical Monsters heading towards Mamuceaster. Later on, we learn the secret that Eliza's been keeping.
This is Sis's...
...هذه ذكرى أختي
Das sind die Erinnerungen
meiner Schwester …
Este es de mi hermana...
Ce sont les souvenirs de ma sœur…
Esta é minha irmã...