1girl, all_fours, bow, bowtie, breasts, detached_collar, earrings, jewelry, long_hair, mayano_top_gun_(umamusume), nontraditional_playboy_bunny, orange_hair, shigatsu_shizuki, single_earring, small_breasts, smile, solo, two_side_up, umamusume, white_background, wrist_cuffs, yellow_eyes