1girl animal_ears artist_logo bare_legs between_breasts black_necktie breasts covered_navel detached_collar fake_animal_ears fake_tail fuyutsuki_(kancolle) gradient_background grey_background grey_hair kanon_(kurogane_knights) kantai_collection leotard long_hair medium_breasts necktie one-hour_drawing_challenge playboy_bunny rabbit_ears rabbit_tail solo strapless strapless_leotard tail white_leotard wrist_cuffs