He had learned well, evidently, because his tongue and lips moved over her with expert skill. His tongue pushed her lips back, to open her more, but he did not push hard at first. He lightly kissed and teased the outer lips of her pussy for a minute or two, then puckered his lips and kissed around her clit. Beth was surprised to feel Marcus's tongue move down, past her pussy, over her taint, tickling her asshole.

Marcus's crotch was over her face while he went down on her. He was still fully dressed, and Beth decided to do something about that. She unzipped him and snuck her hand through...