Synopsis:
A tale of two worlds: above ground (in the sky) and below ground.
The "End" has already come to the Earth we live on--
However, in an underground world 3000 meters below ground, superhumans (overmen) are fighting to delay that final moment even just a little.
Hiiro, a superhuman who has come from the underground world to the surface, struggles above ground to fulfill the 108 wishes left behind by his dead friend Shion.
NOTE:
- Japanese title: Sora e...