1girl, 9_no_seicho_nikki, arms_up, bikini, blonde_hair, blue_sky, blush, breasts, brown_eyes, closed_mouth, cloud, dangling, day, innertube, large_breasts, looking_at_viewer, navel, one_eye_closed, original, outdoors, shirt, short_hair, sky, smile, solo, stomach, strap_gap, swimsuit, thighs, underboob, wading, wet, wet_clothes, wet_hair, white_bikini, white_shirt