Fingering his ass while he was fucking her just before I slipped into his tight hole and filled him with cum
I liked your cock so much I wanted to go for round 2. I want to (f)eel you behind me, grabbing my hips and stretching me with every inch of your cock. Fill me with your cum and let me finish my shift.
Imagine her fingers running along your cock while a stranger fills you up with his hard cock... (MMF) (Source in comments)