Masterpiece, highest quality, extremely detailed, ultra high resolution, realistic anime style, Korean manhwa style, semi-realistic anime, 8K, cinematic lighting, 9:16 portrait. A mermaid with a delicate face, large, round blue eyes, and fair, rosy skin. She possesses long, wavy yellow hair, adorned with starfish and pearl accessories. Costume & Tail: She wears a shimmering, strapless top made of light, sheer voile. Her tail is a shimmering, purplish-pink, glowing beautifully underwater. Natural Setting: The scene takes place under a bright full moon against a starry night sky filled with shooting stars. In the distance, an ancient lighthouse is visible on the left, and a magnificent castle with lights on the right. Decorative Details: Pink cherry blossoms bloom around the rocky outcrop. The clear blue sea reflects the moonlight and other magical specks of light.