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eternalness; forever unchanging
distant land over the sea; world of the dead
常世の国は永遠に変わらぬ楽園とされた。
The land of eternity was regarded as an unchanging paradise.
古代の人々は海の彼方に常世を夢見た。
Ancient people dreamed of an eternal realm beyond the sea.
常世の理想を追い求める物語が語り継がれた。
Tales seeking the ideal of eternity were passed down.