Rule 34 Dev - abs anal anal_penetration animal_genitalia animal_penis anthro athletic balls bed bedroom blue_eyes bouncing_penis brown_body brown_fur canine_genitalia canine_penis duo fur furniture genitals inside knot looking_pleasured male male/male markings moan moaning nipples on_bottom on_top open_mouth pecs penetration penis reverse_cowgirl_position riding sex slim spread_legs spreading tail tail_markings tan_body tan_fur teeth tongue bmrwcl border_collie canid canine canis collie domestic_dog herding_dog mammal pastoral_dog sheepdog animated hi_res short_playtime webm|152173864