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, side view, from side, closeup, finger on lips, beautiful fantasy underwater scene, vibrant