1girl, adjusting_hair, alternate_costume, bare_shoulders, bikini, bismarck_(kancolle), blonde_hair, blue_eyes, breasts, kantai_collection, large_breasts, long_hair, looking_at_viewer, navel, open_mouth, shigino_sohuzi, side-tie_bikini_bottom, simple_background, sitting, solo, sports_bikini, stomach, swimsuit, tsurime, white_background