Rule 34 Dev - 2011 alicorn all_fours anthro ass big_breasts blue_hair blue_nipples breasts clothing crown cutie_mark female friendship_is_magic furry green_eyes hair hooves horn incest javkiller long_hair looking_at_viewer multicolored_hair my_little_pony nipples nude pegacorn princess_celestia_(mlp) princess_luna_(mlp) purple saliva_string siblings sister sisters sitting smooth_skin tail thighs white_fur wings yuri|938044280