Kazusa's overworking finally catches up to her, and she collapses two days before the school fair.  Haruki cares for her as he continues to practice his guitar.  Kazusa, in a (possibly) fevered state, tells him about her troubled relationship with her mother Youko.  But meanwhile, at the concert rehearsal in the gym, Setsuna is separated from the other two and feels lonely and afraid her first time on stage.
We're all part of the Light Music Club.
Wir gehören doch alle 
zum Klub für Unterhaltungsmusik.
Somos parte del Club de Música Pop.
Formamos parte del club de música pop.
on est bien membres 
du même club de musique, non ?
Nós somos do Clube de Música Popular.