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.
Ba-bam
با-ام
Batsch
Tarán
Tachán
TADA
Ba-bam
Ba-bam
Бу-бум!