Ultra-realistic photorealistic full-body shot of an ethereal catgirl with soft cream-colored cat ears and a long elegant tail, seductive smile, wearing tiny translucent turquoise micro bikini, erotic pose — lying on her stomach on a white sandy beach with one knee bent and looking over her shoulder, crystal clear turquoise water and soft waves in the background, bright midday sunlight creating strong natural highlights and soft shadows, realistic skin texture with light sand and water droplets, highly sensual atmosphere, photorealism, ultra detailed, 8k masterpiece