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Region：Japan
Type：TV
English name：Ooyukiumi no Kaina / Kaina of the Great Snow Sea
Official name：大雪海のカイナ
Chinese name：大雪海的卡纳
Other names：大雪海的凯纳
Premiered：January 11, 2023
Status：Finished Airing
Tags：Science fiction / Adventure / Source manga
Original author：弐瓶勉(東亜重工)
Director：安藤裕章
Scenario：村井さだゆき / 山田哲弥
Storyboard：島津裕行 / 安藤裕章 / 米林拓
Co-director：安藤裕章 / 米林拓 / 永園玲仁
Character design：福士亮平 / 小谷杏子 / 森山佑樹
Music：フジパシフィックミュージック / KOHTA YAMAMOTO / 馬瀬みさき / 澤野弘之 / HALF H・P STUDIO
Studios：Polygon Pictures
Producers：桑田靖(フジテレビ) / 末平アサ / ウィリアム・アイアトン(William Ireton) / 守屋光春 / 高揚帆(YUI)
Copyright：© 弐瓶勉 / 大雪海のカイナ製作委員会
Family：Kaina of the Great Snow Sea
Rating：12+

Ooyukiumi no Kaina

Humanity is facing extinction.

In a snow-covered world where water has become scarce, the last habitable lands are located at the feet of gigantic Orbital Trees scattered about the desolated Earth.

According to a legend, there exists a sage who knows the secret to producing abundant quantities of water to save mankind.

Ririha, the princess of Atland, uses an organic hot-air balloon to climb to the top of an Orbital Tree in hopes of meeting her country's savior.

Once she reaches the Canopy—an area that appears to be an infinite window of transparent ice—she meets Kaina, one of the last men alive on the Canopy.

However, she can not find the man she was looking for.

Unable to return by herself to her country, the princess finds a helping hand in Kaina, who is eager to explore the surface world that he thought was empty.

As Kaina learns about the war against Ririha's country, the antagonistic technologically advanced nation Valghia, and other perils of the surface, he realizes that his escorting mission will prove more difficult than he imagined.

PV EpisodesTiles view / List view

Main PV
PV

Main EpisodesTiles view / List view

Jan 11, 2023

EP1 - The Boy from the Canopy

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...
Jan 18, 2023

EP2 - Princess of the Snow Sea

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.
Jan 25, 2023

EP3 - Travelling Down the Orbital Tree

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.
Feb 1, 2023

EP4 - Conflict at the Snow Sea

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.
Feb 8, 2023

EP5 - Rescue Mission

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.
Feb 15, 2023

EP6 - Ririha in a Cage

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.
Feb 22, 2023

EP7 - Fortress Nation

Opting to stay hidden inside a box within the ship, Kaina, Ririha and Yaona find themselves offloaded to the mobile fortress of Valghia. Now, they must somehow come up with a way to return to Atland, but Valghians are hot on their tails.
Mar 1, 2023

EP8 - Lost at Sea

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.
Mar 8, 2023

EP9 - Insignia of an Ancient Castle

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.
Mar 15, 2023

EP10 - The Builder

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?
Mar 22, 2023

EP11 - Scale of Hope

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?