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.

Sinopse em inglês, como veio da fonte.

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.

Sinopse em inglês, como veio da fonte.