1girl, akitsu_maru_(kancolle), alternate_costume, animal_ears, arm_up, armpits, black_hair, black_leotard, blush, bow, bowtie, breasts, cleavage, covered_navel, detached_collar, fake_animal_ears, kantai_collection, large_breasts, leotard, looking_at_viewer, playboy_bunny, rabbit_ears, red_bow, red_bowtie, sakieko, short_hair, simple_background, solo, strapless, strapless_leotard, white_background