FURVERT!

ambiguous_gender animal_genitalia animal_penis anthro anus backsack balls big_penis black_body black_fur bodily_fluids butt canid canine canine_genitalia canine_penis canis collar disembodied_hand duo exsys feet fur genital_fluids genitals knot knotted_penis male male/ambiguous male_focus mammal muscular muscular_anthro muscular_male penis precum rear_view solo_focus spiked_collar spikes spread_anus spread_butt spreading tongue tongue_out wolf