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...
An open-air bath!
Ein Außenbad!
¡Un baño al aire libre!
¡Un baño al aire libre!
Un bain en plein air !
Una vasca all'aperto!
Um banho ao ar livre!