Carol flexes her thighs, then her pussy, making experimental little movements. She bites her lip and rolls her eyes back as she seemingly find exactly the angle she's looking for.

Her hips rock back and forth in slightly larger circles, massaging her pussy and my cock together just the way she wants.

God, Carol has done this hundreds of times, but this is by far the best riding-my-pole performance she's ever produced.

I am entranced by absolutely everything my girlfriend is doing; the sinuous dance of her naked body, the pleasure evident in her expression, and especially how it feels being inside her with her sister fucking herself with the...