While on the way to school, Hayato discovers that Karen isn't wearing panties. He spends the rest of the day trying to avoid seeing under her skirt...but Karen still seems a little upset.
Uh, nothing. You just seem 
very different from usual.
Ach, nichts. Du siehst heute
nur irgendwie ziemlich anders aus.
Eh, nada. Te ves diferente
que de costumbre.
Eh, nada. Te veo diferente
que de costumbre.
Je me disais que ça te changeait.
Oh, nulla.
Hai un'aria piuttosto diversa dal solito.
Ah, não é nada. Você 
parece bem diferente.