It's time for the choir to start rehearsing in earnest, but the AC is broken and it's too hot to think. They move to somewhere cooler, and Rika gives them a song to hone their rhythm. Then, they're swept up in a series of inexplicable events!
Sensei!
!سينسي
Herr Haruo?!
¡Haruo!
¡Haruo!
Monsieur !
Professore!
Professor!
Учитель!