It's summer holiday time for Kaoru, and Tina wants out for a trip, together with the rest of the inhabitants of the western style house. So they all are out on the road this time, even Mayu in the end. Miyabi drives in one car, while Taeko drives in another. However, Taeko has a few troubles of her own. Upon arrival, everyone enjoys a nice bath in the hot springs, gathers for a barbecue, and participates in party games. But something unexpected happens for Aoi.