Rule 34 Dev - 2016 animal_genitalia animal_penis balls black_border border cum equine equine_penis erection fan_character genital_piercing hair hi_res hooves horn horsecock hyper hyper_penis klodette long_hair lunarmarshmallow male male_only mammal my_little_pony penis piercing simple_background sitting solo spike_collar spread_legs spreading unicorn white_background|2432131928