2016 alicorn anal anal_sex anus ass balls big_breasts blonde_hair blush breasts canine collar cutie_mark cyan_eyes dog equestria_girls equine female feral freedomthai friendship_is_magic furry futa_on_female futa_sans_pussy futanari group horn human human_on_feral intersex interspecies long_hair male mammal multicolored_hair my_little_pony nude open_mouth penetration penis pony princess_celestia_(mlp) purple_eyes purple_hair red_hair spike_(eg) straight sunset_shimmer twilight_sparkle_(mlp) wings zoophilia