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...
But if they're not behind it,
Pero si no son ellos, tendremos 
que averiguar qué pasó ayer.
Pero si no son ellos,
Si ça ne vient pas d’eux,
Però, se non ci sono loro dietro,
Mas se eles não estão por trás disso,