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.
After all, that's how Taki-sensei's 
apparently deciding.
فهكذا كيف سيقرّر الأستاذ تاكي الأمر غالباً
So entscheidet Taki-sensei offenbar.
Eso es lo que quiere determinar Taki-sensei.
Eso es lo que quiere determinar el profesor Taki.
C’est aussi 
ce que pense M. Taki.
Dopotutto, è così che il professor
Taki ha deciso finora.
Afinal de contas, parece ser assim
 que o Taki-sensei está decidindo.