Rule 34 Dev - age_difference all_fours anal anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro anus backsack balls barefoot bodily_fluids brown_eyes butt canine_genitalia canine_penis dialogue duo erection fangs feet freckles fur genitals grey_body grey_fur grey_hair hair heart_symbol intraspecies kneeling knot male male/male nude number older_brother older_male older_sibling oral page_number penis public rimming saliva sex size_difference surprise teeth text toes tongue tongue_out young young_anthro harmarist sheath_and_knife alex_(harmarist) will_(harmarist) canid canine canis mammal wolf 2017 comic digital_media_(artwork) english_text hi_res url brother_(lore) brothers_(lore) incest_(lore) sibling_(lore)|6251661360