Ichika and Futaro get locked in the storage shed. The others are concerned about their absence, but not necessarily for the same reasons.
What are you talking about?
Hä? Wovon sprichst du denn?
¿De qué hablas?
¿De qué hablas?
Hein ? De quoi tu parles ?
Ma di cosa stai parlando?
Hã? O que está dizendo?
А? Ты вообще о чём?