rule 34 2016 anthro anus balls barbell bedroom eyes bench press blush bottomless closed eyes clothed clothing girl position cum dialogue equine exercise exhibitionism fan character female footwear gym half closed eyes invalid tag lying male mammal moan my little pony nobody oc nude on back on top open mouth partial nudity penetration penis pony public pussy juice raised tail replica artist seductive sex shaking shivering shoes smile sneakers straight sweat tail wraps vaginal penetration weightlifting workout wraps 2213396