Keywords: action, comedy, mecha, scifi
Comedy, Mecha, Sci-Fi, Action.

This anime is set in a far of future where the human population has been forced of the earths surface, and humans reside in man made caves with no contact with the upper world or knowledge of it, being told not to consider ever looking outside and that they have lived underground for as long as they could remember, Two brothers seek to pierce the heavens, do the impossible and see the rest of the world unraveling a completely different place, finding enemy's and beasts and an evil tyrant which controls everything, here they start an epic adventure to correct the world and regain the surface world.