FURVERT!

anal animal_genitalia animal_penis anus black_border black_hair bodily_fluids border brown_body brown_fur dock_(anatomy)dripping duo equid equine equine_anus equine_genitalia equine_penis erection feral feral_on_feral fur genital_fluids genitals hair hi_res hooves horse klaus_doberman male male/male male_rimming_male mammal open_mouth oral outside penis precum precum_drip puffy_anus raised_tail rimming sex size_difference standing tail tail_anus tongue tongue_out