Rule 34 Dev - 2015 all_fours anal anal_knotting anal_penetration anal_sex animal_genitalia anthro anthro_on_human anthro_on_male anus ass backsack balls blonde_hair canine canine_penis closed_eyes collar cum cum_eating cum_in_mouth cum_inside cum_leaking cum_string cutaway doggy_style duo food_bowl from_behind furry gay grass hair homosexual human humansub internal interspecies knot knotting looking_pleasured male male_on_anthro male_only mammal moon muscles nomozuni nude outside penetration penis petplay rear_view redrusker roleplay scar sex star tongue tongue_out vein veiny_penis werewolf wolf x-ray yaoi|1955553192