Marin and Urin are sea folk, people who live in a peaceful underwater world surrounded by bright fish and colorful coral. But one day, a beautiful ring falls from the "sky" - that dangerous place above the water - and the two girls decide to return the lovely trinket to its owner. While the surface world holds amazing wonders for the pair, it also hides a great darkness... a darkness that Urin accidentally unleashes when she opens a stone box at a local shrine. Now it's up to Marin, Urin, and their new friend Kanon to set things right again before that darkness swallows the entire world!
Top Cast
Kana Asumi as Marin (voice)
Yui Horie as Urin (voice)
Minako Kotobuki as Kanon Miyamori (voice)
Rokuro Naya as Matsumoto (voice)
Sachiko Nagai as Miyako Miyamori (voice)
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