Marin
About
When a ring drops into the sea, Marin is the one who finds it. Curious about who could drop something so beautiful into the water, she heads off to land, where she meets up with Kanon, the owner of the ring.
After Urin accidentally releases the skybound half of Sedna, Marin learns that she's the next priestess of the sea, and together with Kanon, she fights off the forces of Sedna.