Sienna bit her lip while her arse was being spanked. The water on her cheeks and Faye's hand made it sting so good. But nothing could keep her quiet when Faye violated her with her fingers.<br/><br/>"Oh...God... yes!"<br/><br/>When Faye shoved her fist into her cunt, Sienna thought her knees would buckle. It was such an amazing feeling having someone's entire hand in her sex. Not just physically, but mentally as well. Sienna got off on the dirty, on the taboo. The kinkier the better. And being fistfucked from behind by another woman was pretty damn kinky.<br/><br/>"Punish my cunt! Fucking punish it!"<br/><br/>Sienna's eyes were shut tight and her knuckles were turning white from gripping the bar. It was almost too much, but at the same time not enough. She started pushing back, gyrating on Faye's fist.