2018 :3 age_difference alpaca anal anal_penetration anthro anthro_on_anthro barefoot big_dom_small_sub blush bodyguard_position braeburned camelid canine clothed clothed_sex clothing dialogue digital_media_(artwork) doberman dog duo english_text exhibitionism from_behind_position fully_clothed hooves interspecies kangaroo knot larger_male male male/male male_penetrating mammal marsupial older_male olli_(braeburned) paws penetration penis public public_transportation raised_tail sex side_view size_difference smaller_male smile speech_bubble standing standing_sex stealth_sex subway text wolf younger_male