Hans Christian Anderson's The Little Mermaid

Marina, the most stunning mermaid in the royal Merman family, is fascinated by the world above the sea. Her curiosity is piqued when she witnesses a handsome prince sailing on a boat. A sudden storm erupts, capsizing the vessel and throwing the prince into the ocean. Marina bravely rescues him, guiding him safely to the shore. This act of heroism sparks a deep and passionate love within her. Determined to be with the prince, Marina is willing to sacrifice everything to become human, understanding the inherent dangers of her decision. The anime explores themes of love, sacrifice, and the allure of the unknown.