Rule 34 Dev - 2016 alicorn anthro anthrofied being_watched big_breasts blush breast_fondling breast_grab breasts desk dialogue duo_focus english_text equine exhibitionism feathers female fingering fondling friendship_is_magic furry glacierclear group guard half-closed_eyes hand_on_breast horn incest indoors inkwell larger_female loincloth looking_away loose_feather male mammal my_little_pony nipples nude paper penetration princess_celestia_(mlp) princess_luna_(mlp) public pussy_juice quill restricted_palette siblings sisters size_difference smaller_female smile standing text unicorn wings yuri|2254399856