A beautiful young woman with long flowing hair, mermaid, Mélusine

a beautiful young woman with long flowing hair, mermaid, Mélusine, topless, singing in a fountain, sad, highly detailed, intricate, (best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),HDR,UHD,studio lighting,ultra-fine painting,sharp focus,physically-based rendering,extreme detail description,professional,vivid colors,bokeh,portrait,fantasy,mystical,melancholic,dramatic lighting,soft color palette

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits