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!
No, as long as we don't know 
for sure that it's fake,
لا، طالما لسنا على يقين
،من كونه مزيّفاً
Solange wir nicht wissen,
ob das wirklich eine Attrappe ist, …
Non, c’est dangereux de bouger
tant qu’on ne sait pas
No…
Não, sem termos certeza
de que é só uma réplica,
Нет, мы не знаем наверняка,
что пистолет ненастоящий.