abs alley anal anal_penetration anthro anus balls biceps big_muscles big_penis black_fur black_nose blue_eyes blush body_markings brown_fur butt canine claws couple duo erection fangs feline fur gay grey_fur grin gripping holding humanoid_penis interspecies leaking leopard love lying male mammal markings muscles nude null-ghost on_back on_top open_mouth pec_grasp pecs penetration penis pose precum red_eyes reverse_cowgirl_position sex sheath sitting smile spots spread_legs spreading straddling tan_fur teeth toned tongue tongue_out vein veiny_penis white_fur