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...
You're the one who wanted 
to do the test of courage!
Du wolltest doch die Mutprobe machen.
¡Tú eres el que quería 
hacer una prueba de valor!
¡Tú eres el que quería 
hacer una prueba de valor!
C’est toi qui voulais faire
une épreuve de courage !
Sei tu che hai voluto fare la prova di coraggio!
Foi você que quis fazer
 esse teste de coragem!