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.
I never knew Naoya was such a pervert!
!لم أعلم أن ناويا منحرف هكذا
Ich wusste gar nicht,
dass Naoya so notgeil ist!
¡No sabía que Naoya
fuera tan pervertido!
¡No sabía que Naoya fuera tan salido!
Je savais pas
qu’il était aussi pervers !
Non avrei mai detto che 
Naoya fosse un tale maniaco!
Não sabia que Naoya era tão pervertido!
Я не думала, что Наоя такой озабоченный!