Someone's waiting for them

Kelly pulled away from him reluctantly. "Let me go in first, to get everything ready."

She left the door halfway open, and he watched her garments fly by: heels; white belt; black slacks; fuzzy sweater; and a black thong. He thought longingly of that fine ass of hers, made for him to fuck. Her hand reached around the door, and pulled him in.

"Come on in, stud," his teacher said in a husky voice, followed by another voice.

"Yes, John, do what the teacher says. Come on in and fuck us both 'til we can't walk anymore, you horny bastard!"

This second voice was so sensually distorted by arousal that poor John didn't recognize it at first; and when he did, he was stunned. There on Kelly's living room floor, tied up in a bondage harness that left all her holes open to access, and with an incredibly arousing expression of raw lust on her face, was...