Rule 34 Dev - 2013 abstract_background all_the_way_through anal anal_sex anus blue_eyes blush cutie_mark double_anal double_oral double_penetration dream equine fan_character feathered_wings feathers female fur furry grey_body grey_fur grey_hair hair hi_res mammal multiple_penetration my_little_pony oral oral_penetration pegasus penetration pussy quadruple_anal quadruple_penetration severus simple_background solo_focus spread_anus spreading stormfront tentacle tentacle_in_mouth triple_anal triple_penetration white_background white_fur white_hair white_tail wings|2736635336