Dr. Horne had sunken his weight into you long ago, leaving you helplessly wedged between his asscheeks as he watched your fellow subjects run through the maze he'd designed to test your cognitive ability. Only, in the process of preparing the maze, you'd accidentally fallen off the desk and onto the doctor's seat.
You tried your best to grab his attention, waving your hands and shouting up to him as you saw him slide the chair out from under the desk, but it became immediately clear that he hadn't noticed your pleas as his ass engulfed the 'sky' above you before crashing down on top of you. As he wiggled his hips from side to side to get comfortable, you were rolled around in the crack of his ass before he finally let himself relax and, by proxy, push all his weight into you without a care in the world.
For four hours, you hadn't managed to get a proper breath of air, your lungs completely compressed beneath the 20-ton ass of Dr. Horne, all while the others proved themselves inadequate for the puzzle the doctor had concocted and unwittingly forcing you to endure this suffering for much longer than needed.
You listened as Dr. Horne grew annoyed with your fellow subjects, before sighing and leaning back in his chair. Your world grew dark as his looming shadow passed over you, before the entirety of his ass enveloped you beneath it, sealing you away for who knows how much longer...