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.
First strata (surface)
(الطبقة الأولى (السّطح
Erste Schicht (Oberfläche)
Primer estrato (superficie)
Primer estrato (superficie)
PREMIER NIVEAU (SURFACE)
Primo strato (superficie)
Primeira camada (superfície)