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.
It'll be the first time in a 
while I'll really enjoy myself.
Es wird das erste Mal seit Langem sein, 
dass ich mich amüsieren werde.
Será la primera vez en mucho 
tiempo que me divierta.
Será la primera vez en mucho 
tiempo que me divierta.
Je sens que je vais m’amuser 
en jouant, pour une fois.
Será a primeira vez que vou 
realmente aproveitar.