Rule 34 Dev - 2019 2boys all_fours anal anal_sex anatomically_correct anatomically_correct_penis animal_genitalia animal_penis animated ass blue_eyes blue_fur blue_markings blue_nose blue_tongue canine canine_penis cheek_tuft cum detailed_background doggy_style duo ear_tuft erection eyebrows feral feral_on_feral forest fox from_behind from_behind_position fur furry gay grass half-closed_eyes inner_ear_fluff knot looking_down loop male male_on_feral male_only male_penetrating mammal markings mounting multicolored_fur nude open_mouth outside penetration penis pink_nose precum sex side_view tongue tongue_out tree tuft tuwka white_fur yaoi|3549961032