1girl, black_hair, braid, breasts, brown_hair, cowboy_shot, grey_panties, grey_sports_bra, holding, holding_clothes, kantai_collection, kasashi_(kasasi008), long_hair, navel, orange_eyes, panties, single_braid, small_breasts, solo, souya_(kancolle), sports_bra, underwear, underwear_only, window