1girl, bare_shoulders, bikini, black_hair, blush, breasts, brown_eyes, collarbone, frilled_bikini, frills, hair_ornament, hairband, hairclip, haruna_(kancolle), haruna_kai_ni_(kancolle), headgear, innertube, kantai_collection, large_breasts, long_hair, looking_at_viewer, navel, ripples, smile, solo, swimsuit, thighs, tsukui_kachou, water, white_bikini, wristband