FURVERT!

anal anal_penetration anthro bear biceps big_muscles blush bodily_fluids brown_bear crouching duo felid fur grizzly_bear interspecies male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal markings muscular muscular_male nude on_bottom on_top pantherine pecs penetration red_eyes reverse_cowgirl_position sex sitting stripes sweat tail tiger tsukyi ursine