go a little further?

he started to spank her. he could see that she was enjoying it by the way that she pushed her ass into his hand. as she did this her butt cheeks spread a little. by now he was more that a little turned on. he reached down and pulled her thong to the side. her little red asshole flexed as the night air hit it. he couldnt resist. he wet his finger with his mouth and began to tickle her ass with it. she moaned with pleasure. what else could he do but push it in a little.