FURVERT!

4:3 anal anthro anus barazoku biceps big_butt big_muscles butt butt_grab canid canine canis crouching duo eyes_closed facesitting felid fur hand_on_another's_butt hand_on_butt interspecies kemono male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular muscular_male nude oral pantherine penetration pinned rimming sex simple_background sitting sitting_on_another slightly_chubby tail tiger unavailable_at_source unknown_artist wolf