In an underground shelter-city encased in ice, Setsuna meets a young girl named Rinne and begins helping her with a mysterious invention. It can apparently help save the world, but its true nature is unclear. Meanwhile, the city itself will very soon perish.
What? You really don't know?
ماذا؟ أحقّاً لا تعلم؟
Was? Hast du echt keine Ahnung?
¿Qué? ¿Es que no lo sabes?
¿Qué? ¿Es que no lo sabes?
Quoi ? Tu piges vraiment pas ?
Cosa? Davvero non lo sai?
O quê? Você não sabe mesmo?
Ты что, правда не понимаешь?