After pulling the plug on the space reality TV show "Can I Destroy the Earth? 2," the Defense Club and the Conquest Club return to their peaceful high school lives. Time has passed since that fearsome battle, and it's now autumn. The five Defense Club members have stopped serving as the Battle Lovers, and are enjoying a soak in the Kurotama Bath like always, when the Conquest Club broaches a subject that will change a great deal about events to come...
Sand and glass? They're the same thing!
Sand und Glas? Das ist nicht schlecht!
¿Arena en cristal? ¡Es casi lo mismo!
¿Arena en cristal? ¡Es casi lo mismo!
C’est vraiment pas clair,
leur histoire.
Sabbia e vetro? Sono la stessa cosa!
Areia e vidro?  São a mesma coisa!