Nagara, Nozomi, Asakaze, and Rajdhani continue searching for new worlds. Students start going missing, and their bodies are found "frozen" into black shells, so Pony asks Mizuho to look into the matter. Mizuho reveals a surprise about her power to Nagara.
But what is this world, anyway?
لكن ما ماهية هذا العالم على أي حال؟
Was ist diese Welt hier wirklich?
Pero, ¿qué es este Mundo, de todos modos?
Dans quel monde on a atterri, au juste ?
Mas... o que é esse mundo afinal?