Her range of movement is very restricted like this, but that doesn't seem to matter. She can feel him growing harder by the moment, the strong curve of his cock pressing against her. She lets her head fall back, resting her weight on her elbows for a long span of heart beats. She's deliciously filled and exposed at the same time, like this.

She feels him start to relax, and she takes a deep breath and lets it out, consciously gripping him in slow, hard pulses.