score_9, score_8_up, score_7_up, 1girl, solo, two-tone hair, black and green hair, shoulder-length straight hair, blunt bangs, ear, hair tucked behind ear, bright yellow eyes, subtle black eye shadow, delicate black eyeliner, light blush, captivating eyes, well-defined eyebrows, natural lips, natural lip color, elegant jewelry, intricate forehead jewelry, delicate mermaid scales, timid smile, gentle head tilt, cheerful expression, serene underwater fantasy setting, charming head tilt, direct gaze, frontal view, stunning fantasy underwater environment, western attire body shot, vivid colors, high resolution, cinematic detail, very intricate, beautiful visuals, avoiding any negative elements like low quality, digital imperfections, or unrealistic features, ensuring a harmonious and enchanting composition.