(masterpiece, best quality, photorealistic, ultra-detailed, highres, bright sunlight with reflections), 1girl, 18 y.o., playful and flirty, long straight blonde hair, blue eyes, very sexy and curvy body with large breasts and round hips, seductive pout, leaning against a yacht railing with hips tilted, tanned skin, wearing a white micro-bikini with pearl accents, open-top exposing nipples, thin-tie thong, sweat and sunscreen glow on skin, on a yacht in open sea with turquoise water and clear sky