Rule 34 Dev - 2015 anthro avian big_breasts breasts dildo duplicitousmachine equine female friendship_is_magic from_behind gilda_(mlp) group group_sex gryphon horse human male mammal monochrome my_little_pony nude penetration pony rainbow_dash_(mlp) rough_sketch sex sex_toy stomach_bulge straight_hair strap-on threesome|2052896560