all_fours anthro anthrofied areola blue_background blue_hair blue_skin bondage breasts chains crown cutie_mark equine female friendship_is_magic group hair half-closed_eyes hands_behind_back horn horse mammal multicolored_hair my_little_pony nipples nude open_mouth pink_skin pippyafterdark pony princess_cadance_(mlp) princess_celestia_(mlp) princess_luna_(mlp) purple_hair purple_skin saliva saliva_string simple_background sitting standing teeth tongue tongue_out twilight_sparkle_(mlp) two_tone_hair white_skin wings yuri