masterpiece, best quality, highres, intricate details, 4k, stunning, 1 woman, mermaid, very long hair, gradient hair, light green hair, dark red hair, kuragecut, hair intakes, long sidelock, long high ponytail, jewelries, forehead crystal jewel, mermaid scales, shy smile, cute headtilt, happy face, lying on an underwater fantasy sea floor, hands on chest, from above, beautiful fantasy underwater scene, vibrant