Rule 34 Dev - 2014 anal anal_sex animal_genitalia anus ass clopper-dude cum cum_in_ass cum_inside cutie_mark duo equine female feral friendship_is_magic furry furry_only hi_res horse horsecock incest male mammal my_little_pony penetration penis plain_background pony shining_armor_(mlp) straight twilight_sparkle_(mlp) vein|1800405840