Rule 34 Dev - anthro anus ass balls black_body blurred_background equid equine facial_markings genitals hair hasbro head_markings horse littlest_pet_shop looking_at_viewer looking_back looking_back_at_viewer lps_523 mainnm-e male mammal markings muzzle_(marking) penis perineum snout snout_markings solo tail white_hair white_tail|9067154592