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.
Self-sustaining underground shelter: Island
Eurasia top stratum, public district
:ملجأ ذاتيّ الدعم تحت الأرض
الجزيرة، الطبقة العليا من يوراسيا، المنطقة العامّة
Refugio subterráneo autónomo: "La isla"
Estrato superior de Eurasia, distrito público
Refugio subterráneo autónomo: "La isla"
Estrato superior de Eurasia, distrito público
Abrigo Subterrâneo Autossuficiente: Island
Camada Superior da Eurásia, distrito público
Автономное подземное убежище Остров.
Евразия. Общественный район. Первый уровень