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.

Shino and Naoya are stranded on an uninhabited island, and Shino has ended up naked again. Has the time finally come for Shino to confess her feelings? Meanwhile, Saki and the others have realized that Naoya and Shino are missing.