Synopsis

An inexplicable catastrophe plunges Japan at the bottom of the sea. A boy survives misfortune, but he has been abandoned in a land surrounded by seas on all sides. His effort to stay alive compels him to sharpen the wit, and that nothing he learned in school is useful for staying alive.

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  1. r6 source · import Imported from AniList +1 field 4 weeks ago
  2. r5 source · import Imported from AniList +1 relation 5 weeks ago
  3. r4 source · import Imported from AniList +1 relation 5 weeks ago

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