1girl, ball, bare_shoulders, beachball, bikini, blush, breasts, brown_hair, cleavage, covered_navel, holding, holding_ball, holding_beachball, long_hair, midriff, ol-chan_(ol_mahonanoka), ol_mahonanoka, open_mouth, original, outdoors, pink_bikini, solo, stomach, swimsuit, wading, water, yellow_eyes