A mysterious sea connects the human world and the merfolk realm. When the tides surge, rifts in space and time appear, and Hainuo catches glimpses of fragments of the future.
For generations, the Arka family has been shackled by a prophecy. Whenever the red moon rises, the heir must endure the torrent of fate washing over them.
Deep within a coral labyrinth lies an ancient ruin recording the soul pact made eight hundred years ago between the Sea Capital and the merfolk.