yukimura tsubame, yuukyuu no sharin, 1girl, adjusting hair, armlet, bikini, blonde hair, bracelet, breasts, circlet, cleavage, female focus, fins, floating hair, gradient background, green eyes, halftone, halftone background, head fins, jewelry, large breasts, long hair, looking at viewer, lowleg, mermaid, monster girl, multicolored eyes, navel, necklace, sarong, scales, seashell, shell, shell bikini, sitting, solo, tiara, very long hair