tensui (yumemoyou), pixiv fantasia, pixiv fantasia 5, highres, 2girls, anklet, aqua hair, blue background, copyright name, coral, detached sleeves, fish, flower, grey eyes, hair flower, hair ornament, halterneck, jewelry, light rays, long hair, looking at viewer, lowleg, lowleg shorts, mermaid, midriff, monster girl, multiple girls, outstretched arms, outstretched hand, pigeon-toed, seaweed, short shorts, shorts, smile, sparkle, spread arms, standing, sunbeam, sunlight, thighhighs, underwater, very long hair, whale