very attractive 18 year old girl mermaid, perfect body, long green mermaid tail from the waist down, laying in the sand, flirtatious smile, long wavy platinum blonde hair, fingering herself, golden tan, cute, extremely high resolution, Shoot in RAW format at the highest resolution possible, Stabilize the camera with a tripod to ensure crisp focus, curvaceous body, In post- processing, apply selective sharpening and dodge/burn techniques to bring out key features and create a sense of depth, blue eyes, undressing, show full body, perfect eyes, the beach at sunset