"Lazy little sissy," she said under her breath, admiring the view from the foot of the bed. Even in sleep, the naked and freshly shaven Katie still offered up her tight pink asshole. And even though Mistress knew she was coddling Katie too much, letting her cum whenever she wanted, she still found herself needing to clench her hands in order to keep from slapping on a pair of gloves and hastily penetrating her sissy's warm and still lubed up "cunt". Just a little poke, she thought, but once the gloves went on that was it.
That was the problem with these sluts. They'd beg you to fuck them to death and you'd contemplate it. She started contemplating. An overwhelming desire to cause pain for her little Katie made Mistress look away from the bed to scan the remains of the previous evening. Used condoms, latex gloves, and half empty bottles of lube littered the side tables. Finally, an empty beer bottle caught her eye. Only the thinnest layer of restraint kept Mistress from taking the bottle and seeing right then and there just how hard and thick Katie could take it, but she knew that Katie would squirm and that would never do.
Mistress walked over to the closet, opened the black leather bag, and started taking out the necessary supplies. Luckily, Katie slept like the dead and never felt the rope binding her to the bed until it was too late. When Katie woke up, she was spread eagle, dick under belly, ready for her lesson.
"I've been letting the little things slide, dear," said Mistress from behind her. Katie could not turn her head to see, but she knew from the menace in the preamble that tonight was going to be very educational indeed. Something cold, like glass, entered her and slid in easily, and then stopped. It was the bottle, and even though only the neck was in Katie, she started to moan. "Shh, my little hussy." The thick body of the bottle rested against Katie's ass cheeks, spreading them just enough for Katie to blush.
"Tonight we are both going to learn a little about restraint. If you squeeze, the glass will break and shred your cute little insides. So, we are going to do this real slow. I know you can take the width. Let's see if you can't help squirming like a little bitch."
After an hour of slow torture easing the bottle in centimeter by centimeter, when Katie proved that she could take the whole bottle in without clenching down, Mistress changed it up for her pointed fist and rammed dear Katie's backside a whole new shade of pink until they both fell weak and shaking down onto the sweat-drenched bed.