1girl, 3d, chibi, full body, solo, masterpiece, highly detailed, exquisite detail, high definition, best quality, ultra highres, MarinaCGI, fair skin, black hair with purple streaks, long hair, bright yellow flower is in her hair, teal eyes, lavender sea shell earrings, rosy cheeks, pink frilly tank top, mermaid, cute, smirked face, open mouth, diving pose, seashore, underwater