FURVERT!

american_marten animal_genitalia anthro anthro_on_feral bear bestiality bite black_bear breast_grab breasts collar dori_(lumieira)duo female feral from_behind_position genitals grabbing_sheets gulonine hand_on_breast heart_symbol hi_res holding_collar holding_object holding_onto_partner holding_partner hug larger_feral lumieira male male/female male_on_top mammal marten moan moon_bear mustelid musteline neck_bite nipple_outline nipple_piercing nipples on_top penetration piercing pine_marten pinned_to_bed scratch_mark scratching scratching_arm semi-anthro sex shape_shifter sheath shoulder_bite size_difference spiked_collar spikes ursine