FURVERT!

1:1 2013 abstract_background animal_genitalia animal_penis anus balls big_penis bodily_fluids cervix cum cum_inside cutie_mark duo equid equine_genitalia equine_penis fan_character female fur gaping gaping_vagina genital_fluids genitals grey_body grey_fur grey_hair hair half-erect hasbro hi_res incest_(lore)male male/female mammal my_little_pony penis severus simple_background stormfront vulva