With their C-rank healer exam coming up, the girls are in a slump. Ria sends them on a training camp, where they hope to enrich their song with more life experience. But outside of Ria's watchful eye, jealousy begins seeping into the girls' relationships...
A trial that Mistress has placed before us!
!محنة وضعتها المعلّمة لنا
Die Prüfung, mit der die
Meisterin uns erproben will!
¡La maestra nos puso una prueba!
¡La maestra nos ha puesto una prueba!
Une épreuve que la maestra nous impose.
Et on la surmontera !
Una prova che la maestra 
ha posto sul nostro cammino!
Uma provação que a mestra
colocou diante de nós!
Наставница создала для нас
испытание, и мы с ним справимся!