Rule 34 Dev - 2018 animal_genitalia animal_penis balls bat_pony bedding bondage clothing cutie_mark equine equine_penis erection friendship_is_magic hair horse horsecock jewelry legwear lying male male_only mammal mostly_nude multicolored_hair my_little_pony on_back penis pony precum presenting solo styxus vein zerothebrony|3318807368