FURVERT!

1:1 animal_genitalia animal_penis balls bodily_fluids cum cum_in_penis cum_in_urethra cum_inside disembodied_penis duo equid equine equine_genitalia equine_penis erection foxfoxplz genital_fluids genitals horse human humanoid_genitalia humanoid_penis male male/male mammal penetration penile penile_penetration penis penis_in_penis penis_size_difference urethral urethral_penetration