Rika moves in with Naoya and the others, and insists that sleeping in the same room with him in a non-sexual fashion should be completely permissible. Naoya agrees, but only if all the girls get to take turns sleeping in his room in a non-sexual fashion.
Hang on, are you serious?!
!انتظرن، هل أنتن جادات؟
Augenblick, ist das euer Ernst?!
¡Esperen, ¿en serio?!
¡Esperad, ¿en serio?!
Attendez, vous êtes sérieux ?
Un momento, ma siamo seri?!
Esperem, estão falando sério?!
Саки-Саки, это не шутка?