masterpiece, best quality, highres, intricate details, 4k, stunning, 1 woman, mermaid, very long hair, gradient hair, pure white hair, yellow hair, kuragecut, hair intakes, long sidelock, long twintails, low twintails, jewelries, forehead jewelries, mermaid scales, shy smile, cute headtilt, happy face, lying on stomach, on an underwater fantasy sea floor, cute headtilt, hand on cheek, front view, closeup, beautiful fantasy underwater scene, vibrant