Rule 34 Dev - 2015 4_toes 5_fingers abstract_background anatomically_correct anatomically_correct_penis animal_genitalia anthro ass balls brown_eyes brown_fur brown_lips brown_nose canine canine_penis claws collie cowgirl_position cum cum_in_pussy cum_inside digitigrade dog duo erection eyelashes female fur hindpaw hug humanoid_hands humanoid_vagina incest inner_ear_fluff internal kissing krimzen_redwing licking long_fur long_mouth looking_down looking_up male mammal neck_tuft nude on_top open_mouth pawpads paws penetration penis pussy riding rough_collie sex shadow simple_background sitting smile snout spread_legs spreading straight toes tongue tongue_out tuft vaginal_penetration white_fur|2022329904