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, front view, closeup, finger on lips, beautiful fantasy underwater scene, vibrant