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.
I promised to make sure you could play it.
Ich hab dir versprochen, dass ich 
dafür sorgen werde, dass du es schaffst.
Prometí que haría que pudieras tocar.
Prometí que conseguiría hacerte tocar.
Eu prometi que faria 
você conseguir tocar.