1girl, attyon, bed_sheet, bikini, breasts, covered_nipples, flower, greyscale, hair_flower, hair_ornament, hairband, kantai_collection, large_breasts, long_hair, looking_at_viewer, lying, monochrome, official_alternate_costume, on_back, parted_lips, signature, solo, swimsuit, very_long_hair, washington_(kancolle)