Christmas rolls around with Kazuya not having met Chizuru for ages, and he sees something he never wanted to see.
Oh, gosh, you heard all that?
ماذا؟ يا إلهي، سمعتَ ذلك؟
Herrje, das hast du alles mitgehört?
Cielos, ¿estabas escuchando?
Vaya, ¿estabas escuchando?
Oups ! Tu m’as entendu ?
Oh, no, stavi ascoltando?
Hã?! Ah, essa não, você ouviu aquilo?
Ой… Так я говорил при тебе? 
Как неловко…