CALDER

The knock came again, louder this time.

Professor Voss’s hand stayed right where it was, pressing firm against the soaked cotton between my legs. His other hand still wrapped around his cock, the head shiny and dark. He looked at me like the person on the other side of that door did not exist.

“Not a sound,” he whispered again.

I nodded, barely. My thighs trembled around his wrist. Every breath felt too loud. The office was so quiet I could hear the soft wet noise when he rubbed once more over my clit through the fabric.

Whoever it was tried the handle. The lock held. A muffled voice...