Taki-sensei's proposal relieves the upset within the band, and everyone returns to practicing. Reina no longer isolates herself either, much to Kumiko's relief. But then she sees Yuko, who's been antagonizing Reina, speaking with her.
I can't do that kind of thing.
لا أستطيع القيام بشيء هكذا
So was kann ich nicht machen.
Sería mal visto.
Estaría mal visto.
Je ne peux pas 
faire de favoritisme.
Non posso fare una cosa simile.
Eu não posso fazer esse tipo de coisa.