Rule 34 Dev - animal_genitalia animal_penis balls cutie_mark equine_genitalia equine_penis erection feral fur genitals green_eyes male penis plow_yoke red_body red_fur solo causationcorrelation friendship_is_magic hasbro my_little_pony big_macintosh_(mlp) equid equine horse mammal pony 2024 hi_res|21712371485