Lonely siren, mystical underwater creature, alluring gaze, shimmering turquoise scales, flowing aqua-blue hair, delicate seaweed-wrapped braids, seashell earrings, sensual red lips, seductive pose, leaning on a coral reef, dimly lit underwater restaurant, soft blue-green lighting, School of fish swimming by, oceanic plants, seaweed-covered tables, glowing jellyfish lanterns, misty atmosphere, 3/4 composition, cinematic mood.