Saki tells Naoya that Rika's apparent crush on him is only the result of her being in heat. She insists that this is a real thing, and Naoya buys it.

As a way to clear the air after Rika kisses Naoya, he, Saki and Nagisa decide to go on vacation at a hot spring.

Nagisa spends her time on vacation with Rika to try to keep Shino from finding out that dating both her and Saki.