Kiera eats you out from behind

Your sister places her hand on your shoulder blades and lifts your bare ass into the air. You can feel her hot breath on your cheeks, and you know she's staring at your pussy, even without having to look. You make eye contact with Emily, whose pleasure is still being monopolized by Jordan's gleeful finger-pumping. Your best friend manages to smile at you in between moans, a little reassurance that you're doing the right thing.