a mermaid, mermaid in the ocean with a full moon, starry-night, beautiful fantasy, fantasy style, very very very beautiful!, us in a vast night, jewel fishes, xianxia fantasy, magical dream-like atmosphere, indigo, perfect anatomy, masterpiece, 8k, best details, high texture resolution, stunning composition, surrealistic, beautiful realistic colorful underwater scenery, colorful fishes, jellyfish, dolphins, perfect face