1girl animal_ears black_leotard blush breasts covered_navel detached_collar fake_animal_ears grey_hair hachimaki hands_on_own_chest headband high_ponytail highres kantai_collection leotard light_brown_hair long_hair looking_at_viewer matsunaga_(haku) necktie playboy_bunny rabbit_ears rabbit_tail red_necktie simple_background small_breasts solo strapless strapless_leotard tail twitter_username white_background wrist_cuffs zuihou_(kancolle)