Rule 34 Dev - anus black_body black_fur blue_eyes blue_hair blue_hooves blue_mane blue_pussy blue_tongue butt female feral fur genitals hair heart_symbol hooves mane markings pussy side_view solo tongue white_body white_fur white_markings rukifox bluebell_(zuboko) equid equine horse mammal 2015 model_sheet|2744498575