applejack_(mlp) ball_gag blindfold blonde_hair blush bondage bound closed_eyes cunnilingus cutie_mark duo equine female friendship_is_magic fur gag grey_background horn horse inner_ear_fluff lying mammal my_little_pony on_back oral orange_fur plain_background pony purple_fur purple_hair rope sex simple_background smooth_skin sugarlesspaints twilight_sparkle_(mlp) two_tone_hair vaginal_penetration wings yuri