1girl, 8kumagawa_(log), ahoge, ayachi_nene, bare_arms, bikini, blue_sky, blush, breasts, cameltoe, cleavage, closed_mouth, cloud, collarbone, cross-laced_bikini, cross-laced_clothes, day, dutch_angle, embarrassed, eyelashes, fingernails, from_below, frown, furrowed_brow, hair_between_eyes, hair_ribbon, holding, holding_innertube, innertube, large_breasts, long_hair, purple_eyes, purple_ribbon, ribbon, sanoba_witch, sidelocks, sky, solo, swimsuit, thighs, transparent_innertube, very_long_hair, water, white_bikini, white_hair, yellow_innertube