FURVERT!

ambiguous_gender animal_genitalia ass_up ball_lick ball_suck balls bestiality black_body black_fur blue_eyes blush border_collie brown_body brown_fur canid canine canis cheek_spots claws collie digitigrade domestic_dog duo feet feral floppy_ears fur genitals german_shepherd herding_dog hi_res inner_ear_fluff katlin knot knot_in_sheath licking male mammal north_shepherd oral pastoral_dog pawpads penis penis_tip pointy_ears prick_ears sex sharp_teeth sheath sheepdog simple_background sucking teeth toe_claws tongue tongue_out tuft upside_down upside_down_fellatio