Rule 34 Dev - 1:1 2018 animal_genitalia animal_penis animated balls blue_hair cum cum_in_mouth cum_in_throat cum_inside deep_throat deepthroat equid equine erection faceless_male fellatio female feral friendship_is_magic gif hair horn horse horsecock mackstack male mammal medial_ring multicolored_hair my_little_pony open_mouth oral oral_penetration orgasm penetration penis pink_hair pony purple_eyes purple_hair sex simple_background straight throat_bulge tongue tongue_out twilight_sparkle_(mlp)|3542576240