1girl, :o, arisugawa natsuha, bikini, blush, breasts, cleavage, collarbone, halterneck, highres, idolmaster, idolmaster shiny colors, long hair, looking at viewer, medium breasts, o-ring, orange hair, pool, pool ladder, poolside, sitting, soaking feet, solo, strapless, swimsuit, very long hair, water, white bikini
19 okeke, 1girl, :o, arisugawa natsuha, bikini, blush, breasts, cleavage, collarbone, halterneck, highres, idolmaster, idolmaster shiny colors, long hair, looking at viewer, medium breasts, o-ring, orange hair, pool, pool ladder, poolside, sitting, soaking feet, solo, strapless, swimsuit, very long hair, water, white bikini