Something cool touching his butt

Alex clenched as a cool liquid dribbled onto his rear. It was followed by Emily's fingers running along his ass. He moaned at the feeling and pushed back slightly.

"He he he. My little sis is such a butt slut." The jovial tone in her voice was a pleasant change from the serious one. Emily's fingers ran over his butt spreading the lube. She would press the tip of her index against his ass but not penetrate over and over. Alex began to whimper as she kept teasing him.

"Please Big sis finger me." He let out as he pushed back again. Emily giggled again and pushed against his butt, slowly increasing the pressure until he felt the tip slip in. "Ooooohhmmmmm." Alex let out a deeply satisfied moan and Emily giggled again at the sound.

"My butt slut of a sister." Emily took her finger out and pushed some more lube inside him. The coolness felt amazing as she pushed inside.

"Yes i am. I am a total butt slut." Alex wiggled his ass to prove it which had the added benefit of making her finger wiggle inside him. Emily's finger was joined by a second each pushing more lube inside him.

She began to spread her fingers gently, stretching him as she lubed him up. Alex was loving the attention and was letting out a stream of moans and gasps most pornstars would be scandalized by. "Do you like me playing with your butt?"

"Oh god yes!" Alex pushed back against her fingers to get just that little more inside him. He managed to catch Emily as a good angle and sunk all of her two fingers inside him.

"Hehehe, butt slut." Emily said this to herself but hearing her say it again brought more pleasure to Alex. Her wiggling fingers were soon joined by a third and Alex felt a pressure rising.

"If you keep fingering me I'm going to cum big sis." Alex moaned out, he was already close and wanted to make sure that is what Emily wanted.

"Really!?" Emily sounded really happy about that and he felt a rush of air as she sunk to her knees behind him. He then felt her fingers warp around his cock and pull. Alex hadn't noticed but it was trapped between his both and the arm of the couch. Emily had freed it and left it pressed against the fabric. "I want to see my little sis cum." Emily's fingers sped up fucking and wiggling to give him more stimulation.

"Oh Fuck Thank You Big Sis." Alex moaned out as he came. Emily laughed as he did and he felt her touching his cock as his cum was milked out.

"Wow, You can cum just like a girl." The adoration in her voice was less directed to him than about him. It made no difference as the praise managed to eke out one more spurt.

"Mmmmm, thank you big sis." Alex let out in a slight daze. The feeling of cumming usually cleared his head a little, all this one did was fill it with... pink for some reason.

"On to the real reward." Emily removed her fingers causing a girl moan of disappointment to escape from Alex's lips. He didn't move but after a few seconds of no more butt stuff he began to wiggle impatiently. "Calm down." Emily's hand slapped Alex's left cheek butting a stop to his movements. "Now relax and enjoy."

He felt something hard and much bigger than her fingers push against him. Without a second thought, or a first, he pushed back and felt his ass stretch around this new invader.

"OH GOD EMILY MORE!" Alex's moan was rewards by her grabbing his hips and pulling. He pushed back and felt more of the shaft slide inside her. Thanks to the lube and stretching out Alex felt nothing by pleasure as he was fill with his second fake cock at the hands, or hips, of Emily.

Emily laughed and pushed sinking more inside of him. Her hands pulled tighter and Alex felt the leather of the harness press against his butt. "Wow you took the whole thing." Emily sounded impressed and Alex wiggled his ass against her. She laughed again and slapped him playfully. It made Alex yelp in surprise. "OMG that was adorable." Emily spanked him again a little harder and Alex let out another peep.

"Please." Alex moaned as the temporary pause of butt fucking made him feel needing.

Emily leaned down on his back. Her chest press against his back, her rick hard nipples digging into him. "What do you want little sis?"

"I want. Ahhh!" Her hand came down on the side of his butt, the only spot Emily wasn't on top of. "I want" SLAP "My big sis" SLAP "ter to fuck my butt!" Alex let out as she slapped him.

"Good girl." Emily's hips began to move and the feeling of emptiness suddenly filled felt like it was in his brain as much as it was his butt. her strap on feeling like it was fucking everything not 'little sister' out of him.

"Fuck me harder big sis!" Alex shouted. Emily picked up the pace their hips meeting with the sound of skin on skin and the harness slapping him with loose bits of leather. The feeling of Emily claiming his butt was amazing and he soon came again. "OH god sis I'm cumming! I can't stop!"

Emily pressed against his back again and he felt her teeth bite down on his shoulder. The feeling of her marking him like that, the animistic control she had asserted over him, that whoever saw that would know he was an owner butt slut. It caused another orgasm to follow the first.

Emily didn't slow her fucking. In fact the knowledge she was making her little sis cum by fucking her in the ass only made her go harder. Alex's mind was going blank under the unstopping reaming. He ended up passing out for a moment just from the mental effect this was having on him. When he came too Emily was still fucking and he was still cumming.

He stopped even think, all that mattered was the feeling of being fucked like a bitch. And he loved every second of it.

After an unknown amount of time Emily began to slow. Her stamina finally running out even though Alex had effectively tapped out a few **** orgasms ago.

She pulled the strap on out of him and let out a sigh of relief. He heard Emily laugh but couldn't move to question it. He then heard the sound of a phone taking a picture. It didn't matter, if Emily wanted to he would happily become a cam whore.

"I hope you enjoyed your reward." She walked around the front and kiss his lips. He did his best to return the kiss but couldn't. "I am going to have a bath, you clean this up." She kissed his forehead and spanked his butt one more time. "Oh and the third draw is yours, keep your panties and bras in there the rest can go in the closet."

He let out a happy sigh that he was still allowed to sleep in her room. He didn't move until he heard the bathroom door close and reached out lazily for the marker. He found it and wrote 'HEALTHY' on himself. He felt his stamina return and his butt close from its gap he had no doubt Emily had left him.

Fully restored he wiped off the mark and got to work cleaning up. He put the lube back in the bag, wrote 'CLEAN' on everything that needed it, he didn't write it on the couch until after he had licked up some of the still wet cum he had pumped onto it and the floor.

With that done he got to work putting his clothes away. When Emily had baths they were long so he had a lot of time to make everything looking perfect.