She's so tight, I can feel her walls around me, like velvet or silk or something equally soft. We're moving perfectly together, faster now as we both approach our peak.

But then we're both caught off guard by the sound of a key in the lock.

I don't stop.

I don't think I can, even if I want to and I certainly don't want to.

She doesn't seem to want to either if the little gasps and moans she's making are anything to go by. We can hear voices now. They are coming ...