FURVERT!

abdominal_bulge all_fours anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anus balls balls_deep big_balls blue-wolfy blue_eyes bodily_fluids butt canid canine canine_genitalia canine_penis canis cheek_tuft clitoris cock_hanging collar cum cum_in_uterus cum_in_vagina cum_inside detailed_background digitigrade domestic_dog duo erection eyebrows facial_tuft feet female female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral forest forest_background genital_fluids genitals green_eyes half-closed_eyes hindpaw holding_leg holding_thigh internal knot knot_bulge knot_hanging knotting leg_markings legs_above_head looking_at_sex looking_back looking_pleasured male male/female male_penetrating male_penetrating_female mammal markings muskydusky narrowed_eyes nature nature_background open_mouth open_smile outside pawpads paws penetration penile penile_penetration penis penis_in_vagina penis_shaped_bulge plant plush_(mushyplushy)reverse_piledriver_position sex shoulder_stand side_view smile smirk socks_(marking)spread_legs spreading toony tree tuft upside_down uterus vaginal vaginal_knotting vaginal_penetration white_eyebrows wolf