rule 34 11 2023 anatomically correct anus aquaticvibes ass cutie mark digital drawing artwork digital media artwork dock earth pony equid equine eyelashes female feral friendship is magic genitals grey hair grey mane grey tail hair hasbro hi res hooves limestone pie mlp looking at viewer looking back looking back at viewer mammal mane my little pony pickaxe pony purple hooves pussy quadruped raised leg simple background smile smiling at viewer solo tail underhoof white background 7530045