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.
It's obvious that Naoya's got 
pent-up sexual tension!
!من الواضح أن ناويا يملك كبتًا جنسيًا
Es ist offensichtlich,
dass Naoya sexuell frustriert ist!
C’est sûr que Naoya est frustré !
È ovvio che la tensione sessuale
 di Naoya sarà alle stelle!
Com certeza o Naoya
está com tesão acumulado!
Ведь очевидно, что Наоя не удовлетворён!