Plot
In another world, an ever-growing Sea of Snow has engulfed the planet surface. The people struggle to survive living around the routes of a massive Orbital Tree, whose branches spread into the Celestial Membrane high above the ground. Change comes to this dying world after Kaina, a boy from the Celestial Membrane, encounters a girl from the surface called Ririha.
Cast
Yoshimasa Hosoya
as Kaina (voice)
Rie Takahashi
as Ririha (voice)
Ayumu Murase
as Yaona (voice)
Maaya Sakamoto
as Amelothée (voice)
Katsuyuki Konishi
as Orinoga (voice)
Tomokazu Sugita
as Ngapoge (voice)
Nobuyuki Hiyama
as Hundergil (voice)
Kenyu Horiuchi
as Haresora (voice)