A magical surreal Niji style artwork, featuring a mermaid princess with double layer flowy hair and a radiant tail, illuminated by red and green hues. The scene is set in a fantastical underwater world, with whimsical sea creatures and vibrant coral reefs in the background. The mermaid princess is gracefully swimming, her tail shimmering with red and green accents, creating a dynamic and enchanting composition. The lighting is surreal, with red and green tones casting a dreamlike and mystical atmosphere, enhanced by sparkling details.
