Senpai gets sick, so Nagatoro comes over to check on him. His family happens not to be home.
What was that?
ماذا قلت؟
Was war das? 
Was hast du gerade gesagt?
¿Qué dijiste? ¿Qué dijiste antes?
¿Qué has dicho? ¿Qué has dicho antes?
Allez, quoi !
Répète ce que tu viens de dire !
Cos'hai detto?
O que foi aquilo?
Повтори!