FURVERT!

anal anal_penetration animal_genitalia anthro arctic_fox armorless_protogen balls black_body black_fur blush bodily_fluids butt canid canine demi_(demiffy)erection felid feline fox fur genital_fluids genitals group group_sex hi_res keryel keryel_(keryel)knot looking_at_genitalia looking_at_penis machine male male/male mammal nude penetration penis petting protogen rubbing_against rubbing_penis sex someproto tail threesome trio true_fox