FURVERT!

3:5 anal anal_penetration animal_genitalia animal_penis anthro babbuful canid canine canine_genitalia canine_penis canis duo erection eyes_closed felid frostibunni genitals hi_res inside knot lagomorph leporid male male/male male_penetrated male_penetrating male_penetrating_male mammal navel nude open_mouth penetration penis piledriver_position rabbit sex spread_legs spreading upside_down wolf