A young mermaid girl in the serene sea, captivatingly realistic image, rendered in vibrant 8K Ultra High Definition, every detail meticulously crafted with lifelike textures and splendid colors, her shimmering scales glistening in the sunlight, her delicate fingers trailing through the water, her emerald green tail fin gracefully undulating as she gazes at the viewer with captivating, soulful eyes, the underwater world richly detailed and teeming with marine life, an ethereal and mesmerizing masterpiece, truly an unforgettable observational experience.

(nsfw:1.5),verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))