FURVERT!

2011 4_toes animal_genitalia animal_penis anthro ass_up autofellatio autoknotting balls biped black_pawpads blue_background blush brown_balls brown_body brown_fur brown_hair brown_sheath canid canine canine_genitalia canine_penis canis cheek_bulge claws detached_sheath digitigrade dipstick_ears domestic_dog ear_markings erection feet foot_focus fur fur_markings genitals gradient_background green_eyes grey_background hair half-closed_eyes hand_under_leg hands_on_legs hands_on_own_legs hands_on_own_thighs hands_on_thighs hindpaw holding_both_legs holding_both_thighs knot knot_root knotting leg_markings lying male male_penetrated mammal markings masturbation multicolored_ears narrowed_eyes nude on_back oral oral_knotting oral_masturbation oral_penetration pawpads paws penetration penile penile_masturbation penis raised_hips red_penis sheath simple_background socks_(marking)solo spots stuck syynx tail toe_claws toes