Head back to the bar with Susan

You give her a slap on her cute ass and then turn Susan around and passionate kiss her. "Let's head back to the bar before they've cleaned up," you say.

Susan was going to stop in the bathroom to clean up your cum, but you grab her hand and pull her all the way to the bar. A minute later, while your cum is still slowing oozing out of Susan's pussy, your girlfriend finds the two of you at the bar.

Susan wonders if Emma has washed her face or rinsed her mouth as she watches your girlfriend kiss you.

Susan thinks that Emma has no idea that you and Susan just fucked. But you can see in Emma's eyes that she knows and likes it. She must have seen you after all - and knowing she was putting on a show for you and Susan only would have increased her pleasure.