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!
That's Systema!
!"إنّها "سيستما
Das war Systema!
¡Es Systema!
¡Es Systema!
Du systema !
Quello è Systema…
É Systema!
Это ведь «Система»!