Rule 34 Dev - 2016 alicorn animal_genitalia animal_penis anus ass balls book clothed clothing equine equine_penis feral friendship_is_magic futanari hair herm hi_res horn horsecock inside intersex legwear looking_at_viewer lying mammal my_little_pony nsfwdozer penis pussy smile solo striped striped_legwear stripes sweat twilight_sparkle_(mlp) wings|2459305872