2018 3d alicorn anthro areola bckiwi big_breasts breasts clitoris cutie_mark equine eyebrows eyelashes feathered_wings feathers female friendship_is_magic hair hi_res horn horse looking_at_viewer mammal multicolored_hair my_little_pony navel nipples nude open_mouth pony purple_eyes pussy smile solo twilight_sparkle_(mlp) wings