<3 2016 absurd_res animal_genitalia animal_penis balls blush brother brother_and_sister butt clothing comic cum cum_in_pussy cum_inside cutie_mark duo english_text equine equine_penis eyes_closed fearingfun feathered_wings feathers female feral feral_on_feral friendship_is_magic hair hi_res hooves horn horse incest legwear male male/female male_penetrating mammal my_little_pony penetration penis pony pussy sex shining_armor_(mlp) sibling sister text twilight_sparkle_(mlp) vaginal vaginal_penetration winged_unicorn wings