Hayato and Rin find themselves in danger of committing "indecent coed relations" while trying to stop another couple of students for doing the same thing.
It wasn't exactly a secret.
Außerdem haben wir uns keine
Geheimnisse zugeflüstert.
Ce n’est pas vraiment un secret,
alors je vais te le dire.
Non stavamo propriamente parlando in privato.
Bom, não estamos falando 
nada que seja segredo.