Kaina of the Great Snow Sea Season 1 Episode 1 The Boy from the Canopy ( Air Date 2023-01-12 ) Genre Animation, Sci-Fi & Fantasy category. Overview "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...".