Ocean yokai, Japanese mythological creature, half-human half-fish, turquoise scales, flowing green hair, intricate shell earrings, shimmering aqua tail, oceanic makeup, pearls necklace, seashell bra, seaweed wrapped around waist, sitting on coral reef, underwater scene, colorful fish swimming nearby, sunken ship in the background, soft ocean currents, warm sunlight filtering through water, cinematic composition, HDR.