Rule 34 Dev - 2012 ahiga all_fours animal_genitalia anthro anthro_on_feral blush breasts canine canine_penis dialogue doggy_style duo english_text erection facial_markings fangs female feral from_behind fur fwap green_eyes grey_fur hair horn internal interspecies knot knotting lazydez male mammal markings mounting multicolored_hair naoma nipples nude panting penetration penis plain_background purple_eyes purple_horn purple_nose purple_penis purple_tongue pussy sex shaking size_difference sound_effects straight text thrusting tongue tongue_out trembling vaginal_penetration vaginal_penetration white_background wolf zoophilia|1860566152