Moroha and the others take a break after their battle in Russia, but the peace doesn't last. Another enemy, apparently waiting for Moroha's absence, has attacked Akane academy.
Don't go lecturing in a sauna, 
it's getting so stuffy.
Mach ihn nicht in der Sauna zur Schnecke,
sonst überhitzt du noch.
No lo sermonees en el sauna. 
Todo se pondrá muy sofocante.
No lo sermonees en la sauna. 
Que bastante nos asfixiamos ya.
Oui, un sermon dans un sauna,
c’est suant.
E poi a fare una ramanzina in una sauna
 diventa tutto più soffocante.
Fazer sermões na sauna só 
faz aqui ficar mais quente.