Rule 34 Dev - 2013 anus ass equine female feral friendship_is_magic fur hair hi_res hooves horn looking_at_viewer lying mammal mane masturbation multicolored_hair my_little_pony nude on_back pepperoach pillow presenting presenting_hindquarters purple_eyes purple_fur purple_hair pussy simple_background smile solo spread_legs spread_pussy spreading twilight_sparkle_(mlp) two_tone_hair unicorn vaginal_masturbation vaginal_penetration|3084149792