Photorealistic image of a 25-year-old woman with shoulder-length dark brown hair in a high ponytail with purple tips, tanned olive skin, blue eyes with subtle eyeliner, seductive slight smile with direct gaze at camera, wearing a mint green and white striped string bikini top with triangle cups tied at the neck and back, matching mint green and white striped string bikini thong bottom with side ties hugging hips and buttocks, posed standing on a sandy beach with right arm raised hand running through hair, left arm relaxed by side, body twisted slightly to show side profile and back curves, background of turquoise ocean water, white sandy shore, distant rocks and blue sky with clouds, natural sunlight casting glossy sheen on skin, hyper-detailed bikini stripes, hair shine, and water reflections, best quality, masterpiece, 8K resolution, sharp focus, sensual beach mood., (over-shoulder arm-raised pose:1.5), (striped string bikini attire:1.3)