FURVERT!

4:3 animal_genitalia animal_penis anus balls butt canid canine canine_genitalia canine_penis duo erection female feral feral_on_feral fox fur genitals hi_res km-15 knot male male/female mammal nude pawpads paws penetration penile penis presenting presenting_hindquarters raised_tail sex sheath simple_background tail vaginal vaginal_penetration vulva white_body white_fur