FURVERT!

anal anal_penetration animal_genitalia animal_penis anthro anus ball_size_difference balls beef_(kitroxas)big_balls big_penis black_body black_fur bovid bovine breath butt canid canine canine_genitalia canine_penis chokehold dominant duo equine_genitalia equine_penis erection eyes_closed fox fur genitals horn interspecies knot larger_dom larger_male long_tail male male/male male_penetrated male_penetrating male_penetrating_male mammal markings medial_ring multicolored_body multicolored_fur niko_(kitroxas)nude open_mouth orange_body orange_fur paws penetration penis penis_size_difference quineas reverse_stand_and_carry_position sex simple_background size_difference smaller_male smile smirk spread_legs spreading spunky_mutt standing standing_sex tail teeth thick_penis tongue tongue_out upside_down_penis yellow_eyes