Rule 34 Dev - 2015 anal anal_knotting anal_sex balls barefoot big_breasts black_and_white breast_grab breasts canine clothing collar cum dominant_feral duo equestria_girls excessive_cum eyewear female feral friendship_is_magic fur glasses hair hand_on_breast hi_res human inflation interspecies knot knot_dragging knotted knotting lactation male mammal milk monochrome my_little_pony nude one_eye_closed open_mouth paws penetration plantigrade pussy raised_leg reverse_doggy_style sci-twi sex spike_(eg) spike_(mlp) spread_legs spreading straight teeth tongue tongue_out twilight_sparkle_(mlp) upright-infinity vein zoophilia|2006845304