1girl, ahoge, bangs, bathing, black_hair, blurry, blurry_foreground, blush, breasts, cleavage, collarbone, cup, hair_between_eyes, hair_ornament, holding, holding_cup, long_hair, looking_at_viewer, night, night_sky, nipples, nude, one_side_up, onsen, open_mouth, outdoors, partially_submerged, red_eyes, saliva, saliva_trail, sitting, sky, steam, tongue, tongue_out, towel, wet