Yufuin's inspiration leads the Defense Club decides to go on a training camp to the ocean on . Meanwhile, the three student council members head to a beach resort in a limousine. The beach has bright sun and white sand, but there's something a little off about it. A strange feeling starts hovering around the group's members...
It's the ocean! The ocean!
Das Meer, das Meer!
¡Es el mar! ¡El mar!
¡Es la playa! ¡La playa!
À la mer, en plus !
Saremo al mare! Al mare!
Praia! Praia!