Rule 34 Dev - 2016 anthro anthrofied anus ass breasts collar disembodied_hand earth_pony equine female fingering friendship_is_magic fur furry grey_fur horse mammal marble_pie_(mlp) my_little_pony panties panties_down pony pussy simple_background striped striped_panties submissive_female sweat underwear whisperingfornothing white_background|2348416120