Immediately after deciding not to rely on pretend dating anymore, Kazuya is hit with a triple whammy of reveals: Chizuru not only goes to his college but lives next door to him, and his grandmother is coming to visit and wants to see her.
You're old enough to know 
what that means, right?
أنت بالغ بما يكفي لتدرك معنى ذلك، صحيح؟
Du bist alt genug, um das zu verstehen, richtig?
Ya estás mayorcito para entender, ¿no?
Eres mayorcito para entenderlo, ¿no?
Tu es assez mature pour comprendre.
Dovresti essere abbastanza grande per capirne il senso, no?!
Você tem idade pra entender isso, né?
Ты не маленький и знаешь почему.