lumilumi, 1girl, solo, waist-up composition, frontal view, centered subject, ethereal mermaid subject submerged in a dark underwater environment, deep blue and black negative space, foreground contains blurred iridescent scales and translucent fabric fragments, background features dark coral silhouettes and floating air bubbles, the subject has a soft oval face, high cheekbones, a straight nose bridge with a rounded tip, full peach-toned lips in a neutral expression, almond-shaped brown eyes with visible catchlights and long individually defined eyelashes, arched thin eyebrows, long white hair with a silver sheen and iridescent undertones flowing in multiple directions, numerous loose strands and individual hair filaments are sharply resolved, hair overlaps the shoulders and frame, the ears are replaced by translucent blue and silver fin-like structures adorned with large round white pearls, double pearl drop earrings hang from the ears, the subject wears an intricate iridescent silver bikini top with a metallic finish and rainbow-like reflections, the top is embellished with a central white pearl set in a flower-shaped silver mounting and two teardrop-shaped blue gemstones, multiple strands of white pearls drape across the chest and shoulders, a pearl choker necklace with a central teardrop gemstone encircles the neck, a transparent organza-like sleeve with blue iridescent patterns and ruffled edges is visible on the upper arm, the lower torso transitions into a mermaid tail covered in individual scales with metallic blue, turquoise, and silver reflections, tiny glowing white particles and air bubbles are scattered throughout the water, soft light descends from the upper right creating a radiant bloom on the white hair and skin, backlighting creates a luminous rim along the silhouette, material textures include glossy metallic surfaces, smooth iridescent scales, matte pearls, and translucent fabric, the color palette is dominated by white, silver, deep sea blue, and soft iridescent gradients, the image has a polished digital rendering with sharp edge definition and high-contrast lighting between the subject and the dark background.