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...
Yufuin-senpai, Kinugawa-senpai, 
you're both incredibly gray individuals.
Yufuin-senpai, Kinugawa-senpai,
ihr seid beide wirklich grau.
Yufuin-senpai, Kinugawa-senpai, 
ustedes son bastante sospechosos.
Yufuin-senpai, Kinugawa-senpai, 
vosotros sois bastante sospechosos.
Vous êtes tous les deux
des suspects.
Yufuin-senpai, Kinugawa-senpai, 
siete entrambi parecchio grigi.
Yufuin-senpai, Kinugawa-senpai, 
vocês dois são suspeitos.