1girl, solo, long hair, breasts, looking at viewer, blush, smile, bangs, blonde hair, simple background, white background, navel, closed mouth, collarbone, full body, ahoge, small breasts, yellow hair, hand up, grey background, monster girl, bubble, underwater, waving, air bubble, mermaid, head fins, pointy_ears, fin_ears, shell, seashell, shell bikini
