1girl animal_ears arm_support bare_shoulders black_bow black_pantyhose blue_eyes blush bow bowtie breasts cleavage crossed_legs detached_collar fake_animal_ears girls_und_panzer grey_hair itsumi_erika katahira_masashi looking_at_viewer medium_breasts pantyhose playboy_bunny rabbit_ears short_hair simple_background sitting solo wrist_cuffs