Now officially a couple, Kazehaya and Sawako go on their first real date. Over summer vacation, Sawako asks Chizu and Ayane for relationship advice.

With the class trip coming up, another boy approaches Ayane. When the students arrive in Okinawa, the new atmosphere causes big changes in everyone.

Though Sawako is excited about celebrating Christmas with Kazehaya and her friends, everyone is preoccupied with their own romantic problems.