Episodes

Kaina lives in a small village, with elderly people who are worried about him, as there is no other village in the Vault of Heaven and they believe they are the last humans in the world. || A phenomenon called the Snow Sea engulfed the surface world, and only a handful of people now reside high above the Snow Sea. When Kaina, one of the members of the last remaining village, goes on a hunt, he finds something entirely unexpected... Source: crunchyroll

Kaina's life was destined to change as soon as he met Riliha, which came as a surprise as the villagers in the Vault of the Sky didn't expect to see another human still alive. || Kaina and the other villagers find out for the first time that there is life below the Canopy. Ririha, princess of Atland, explains that she came from the Snow Sea in search of "the sage," who may be able to help with their water shortage issue. Source: crunchyroll

In order to safely return Riliha to her nation, Kaina goes with her to assist their climb down the spire tree, knowing he will not be able to return to his village again. Their travel goes smoothly, but the Valghians were waiting for Riliha at the base. || In order to safely return Ririha to her nation, Kaina goes with her to assist their climb down the spire tree, knowing he will not be able to return to his village again. Their travel goes smoothly, but the Valghians were waiting for Ririha at the base. Source: Crunchyroll

The Valghians capture Riliha so they can strongarm the Atlandians into surrendering. The Atlandian soldiers engage in the battle to rescue Riliha and Kaina, but aren't successful. Riliha manages to free Kaina while she remains in captivity. || The Valghians capture Ririha so they can strongarm the Atlandians into surrendering. The Atlandian soldiers engage in the battle to rescue Ririha and Kaina, but aren`t successful. Ririha manages to free Kaina while she remains in captivity. Source: Crunchyroll

After learning of the King of Atland's decision to not rescue Ririha and instead go to war with Valghia, it's up to Kaina and Yaona to go save Ririha. Without a means to travel the sea, they must figure out an alternative way to get there. || After learning of the King of Atland`s decision to not rescue Ririha and instead go to war with Valghia, it`s up to Kaina and Yaona to go save Ririha. Without a means to travel the sea, they must figure out an alternative way to get there. Source: Crunchyroll

Once the Valghian admiral receives Atland's message that they will not surrender, he decides to leave Ririha outside to freeze to death. Luckily, Kaina and Yaona come to her rescue, but now they must figure out a way to escape and return to Atland. || Once the Valghian admiral receives Atland`s message that they will not surrender, he decides to leave Ririha outside to freeze to death. Luckily, Kaina and Yaona come to her rescue, but now they must figure out a way to escape and return to Atland. Source: Crunchyroll

After saving an innocent girl from being executed, Kaina, Ririha and Yaona are given a small boat to escape. Unfortunately, without any means to navigate the boat accurately, they are unsure if they're heading in the right direction. || After saving an innocent girl from being executed, Kaina, Ririha and Yaona are given a small boat to escape. Unfortunately, without any means to navigate the boat accurately, they are unsure if they`re heading in the right direction. Source: Crunchyroll

Just before the start of the war between Atland and Valghia, Kaina and his friends race to get proof of a great tree that can save everyone, including their enemies. || To stop the war between Atland and Valghia, Ririha, Kaina, and Yaona are determined to go find the evidence necessary to prove the war is unnecessary. The trio heads down the castle basement in hopes to find a map to the great orbital spire tree. Source: Crunchyroll

Valghia have a fearsome weapon, a relic from the Age of the Sage, which they have activated. How will Atland be able to fight back, now cornered? || Valghia unleashes the might of the Builder on Atland, while Kaina and Ririha desperately try to bring their new discoveries to her father. Source: Crunchyroll

Drunk on power, the Admiral continues to operate the Builder and is determined to kill the King. Ririha tries to save her father, which results in making herself the Admiral's target. Will Kaina make it in time to save Kaina? || Drunk on power, the Admiral continues to operate the Builder and is determined to kill the King. Ririha tries to save her father, which results in making herself the Admiral`s target. Will Kaina make it in time to save Ririha? Source: Crunchyroll