red o7, original, absurdres, highres, 1girl, arched back, arm garter, arm up, bare shoulders, black choker, blue eyes, blue sky, blush, breasts, casual one-piece swimsuit, choker, covered navel, elf, frills, hair ornament, hair ribbon, hairclip, long hair, looking at viewer, one-piece swimsuit, open mouth, pointy ears, purple hair, ribbon, sky, small breasts, solo, swimsuit, tongue, tongue out, twintails, very long hair, wet, white one-piece swimsuit