1girl alternate_breast_size alternate_costume animal_ears between_breasts black_necktie blush breasts covered_navel detached_collar fake_animal_ears fake_tail green_eyes grey_pantyhose hair_flaps hair_ribbon kanon_(kurogane_knights) kantai_collection leotard long_hair looking_at_viewer necktie necktie_between_breasts one-hour_drawing_challenge open_mouth pantyhose pink_hair pink_leotard playboy_bunny ponytail rabbit_ears rabbit_tail ribbon strapless strapless_leotard tail very_long_hair wrist_cuffs yura_(kancolle)