It’s your typical Chinese legend dolphin love story anime …. or something.
“There is a mystical race of beings that control the tide and the changing of the seasons. But one of these beings, a young girl named Chun, wants to experience the human world, not simply observe it. When she turns sixteen, she is allowed to transform into a dolphin to explore the human world. However, the world is a dangerous place. She is nearly killed in a vortex, but saved by a human boy at the cost of his own life. Moved by his kindness and courage, Chun decides to give the boy life again, but this power comes at a price. Chun will have to face adventure and sacrifice in order to protect the boy’s soul until it is ready to return to the human world.”