FURVERT!

absurd_res all_fours animal_genitalia animal_penis anthro ass_up balls biped black_nose black_pawpads blush bodily_fluids brown_body brown_fur butt canid canine canine_genitalia canine_penis canis claws cum cum_on_ground cumshot digitigrade dipstick_tail duo ears_back ejaculation erection finger_claws fluffy fluffy_tail fur fur_growth genital_fluids genitals growth hi_res holding_knot holding_own_knot holding_own_penis holding_penis human human_to_anthro kneeling knot looking_pleasured lupinetree male mammal markings masturbation mythological_canine mythological_creature mythology pale_skin pawpads paws penile penile_masturbation penis pivoted_ears raised_tail rear_view shaded shadow simple_background sitting snout species_transformation tail tail_markings transformation transformation_sequence werecanid werecanine werecreature werewolf wolf