Rule 34 Dev - 2017 animal_genitalia animal_penis balls bondage bound brown_fur canine canine_penis claws closed_eyes cum cum_drip cum_in_mouth cum_inside cum_on_penis digitigrade dripping duo fellatio fur green_eyes grey_fur hands_behind_back hands_tied harness head_grab kneeling knot licking licking_lips looking_down male mammal muzzle_grab nowandlater oral penis red_fur red_penis rope sex toe_claws tongue tongue_out white_fur wolf yaoi|3073960536