Rule 34 Dev - 1boy androgynous bell black_hair blue_eyes blush breast_milking_machine chinese_zodiac cow_accoutrements cow_boy cow_ear cow_ears cow_horns cow_print cowbell femboy flat_chest gintama girly hijikata_toshiro horns hucow inukkoro inverted_nipples inverted_nipples_popping_out lactation male male_only milking milking_machine moo_bitch nipples official_alternate_costume puffy_nipples shirt_lift short_hair single_inverted_nipple solo solo_male trap year_of_the_ox|332978392