Mark awoke the next morning, as usual with his morning hard-on. He laid there in his bed, thinking about spying on his sister taking her shower last night. His right hand reached down and circled his thick shaft as he softly stroked his rigid cock. He closed his eyes and in his minds eye, envisioned Kayla’s sweet butt pressed against the shower glass as her fingers rubbed her bulging pussy mound.
He stroked his shaft a few more times when he decided to get out of bed and go to the bathroom to take his morning piss. He was wearing a loose pair of old gym shorts as he walked down the hall towards the bathroom. He was so glad their parents were going to be away another two weeks in Europe on vacation. As he walked, he was thinking of how he was going to seduce his sister so she would have sex with him.
As he turned the corner into the bathroom, there stood Kayla at the sink, washing her face. His cock began to throb as she was wearing a thin white t-shirt that he could clearly make out the outlines of her large breasts. Her nipples were poking out as she leaned forward over the sink. She was absolutely stunning in every aspect.
As his eyes dropped lower, he couldn’t believe it as she was wearing only a pair of sheer black lace panties that covered about half of her sexy butt cheeks. The panties were sheer enough that he clearly could see each perfect globe of butt flesh and the gorgeous crack up the middle. Pre-cum oozed from his swollen cock head.
“Good morning Kay.” He said as he moved behind her towards the toilet trying to hide his massive hard-on.
“Are you almost done? I have to pee pretty bad.” He asked her.
“Morning Mark. I’ll be a few minutes yet. If you really have to go that bad, go ahead. I won’t watch.” She replied back as her pussy was tingling as she hoped he would go for it.
Mark stood there for a second, holding his rock solid cock inside his shorts and was trying to decide what to do. The toilet was right next to the sink so it was nearly impossible for him to go without Kayla seeing his throbbing cock in the mirror. He gently stroked himself as he decided to go for it.
“Ok sis, but no looking.” He said knowing she was going to look somehow.
He stood at the toilet, three feet from his gorgeous little sister and pulled his shorts down to his knees. He was covering his hard thick cock with his hands as he slowly aimed it towards the bowl. He was so fucking hard but he knew he had to piss badly.
He was standing there holding his throbbing shaft, a good eight inches of thick throbbing cock meat, right next to his sweet and sexy 18 year old teenage sister. His cock was getting harder, not softer so he could pee. Seconds felt like minutes as he stood there pointing his erect cock toward the toilet.
Kayla couldn’t believe her brother actually pulled his cock out right next to her as she continued washing her face. What she thought Mark didn’t realize was that she could look at his beautiful cock right there in the mirror. Her juices were soaking her panties as she examined her brother’s gorgeous cock in the mirror. She watched as his hand slowly ran up and down the full length of his blood engorged member.
She couldn’t believe how huge the head of his cock was, all purple and thick looking. She wondered how, if given the chance, could any girl fit it in their mouth or if her pussy would stretch enough to allow it inside her. She studied the thick veins running down the length of his shaft. Her nipples were now fully erect and puffy as her breathing was getting heavier by the second.
Kayla was so turned on and aroused, she would soon rape her older brother unless she got out of there. For some reason, she insisted he was going to be the one to make the first move. Reaching for the towel, she dried off her face and threw the towel at Mark’s face. As she did so, with his face covered for just a second, she looked directly at his huge cock. It was so beautiful and just perfect. Her panties were completely soaked.
As she was leaving the bathroom, she said, “You better take care of that thing before it explodes.”
Mark knew Kayla was checking out his cock but he couldn’t help himself. He wanted to pull her panties down, bend her over the sink and slide all eight inches deep inside his sexy sister’s tight pussy. What he didn’t know was that was the same thing she was thinking. Unfortunately, neither of them was brave enough to cross that incestuous line.
He knew his sister was aroused as her erect nipples were clearly visible through her thin t-shirt. After she threw her towel in his face, he quickly pulled it away just in time to see her gorgeous sweet panty clad ass exiting the bathroom. His cock was so fucking hard. He had to jerk off right then.
Without closing the door, he moved to the sink and grabbed the wet bar of soap. He got some soap on his hand and in about five hard strokes, shot a huge load of his hot cum into the sink. What he didn’t realize was that Kayla was standing in the hall, her hand in her panties with three fingers deep inside her pussy as her thumb strummed her throbbing clit.
They were once again only a few feet apart as both of them shuddered and trembled as their bodies swept through intense waves of pleasure as their orgasms consumed their bodies. Kayla quietly retreated to her bedroom to catch her breath. She couldn’t get the picture of her older brother’s huge swollen cock out of her head.
After Mark had his release, he was able to finally soft enough to relieve himself. He surprised himself that he exposed himself when his little sister basically dared him to. As he stepped out of his shorts and turned on the shower, he was trying to think of ways to seduce his sister so she would just climb into his bed and fuck him.
He stood in the shower, hot water flowing over his head and shoulders, imagining sliding Kayla’s sexy black panties down and pressing his thick cock into her from behind. His cock was once again getting hard. All he had to do was think about his sexy little sister and he was immediately getting hard. She aroused him completely in every way he could imagine.
The rest of the day, both of them felt a small degree of sexual tension. They had breakfast together, watched some TV until it was lunch time. They ordered out for pizza for lunch. In the afternoon, some of Kayla’s sexy friends came over, as always to use the pool. Mark didn’t join them as he just watched their gorgeous teenage hard bodies from the safety of his bedroom window.
Today was the first time this summer, it was only June, that Kayla’s friend Jessica showed up to swim and sun bathe. Jessica was the hottest of Kayla’s friends who was almost as sexy as his sweet little sister. She was a sultry and very sexy blonde, stood about five feet four inches tall, and had a deep dark tan, gorgeous blue eyes and rather large breasts for her small frame.
Jess always gave him a good hard-on and today was no different. She was wearing a very small white string thong bikini that left very little to the imagination. His sister was wearing her light blue thong string bikini which rivaled Jessica’s as to which exposed the most skin. All the girls were absolutely gorgeous in their own way. His cock was always hard when they were around.
The other two girls, Samantha was a brunette with a little baby fat yet to loose yet very attractive and the other, Brittany was a very lithe little redhead. She was very skinny and always very light skinned. Sam had very large round natural tits and Britt had very small perky ones with huge nipples. It seemed Britt’s nipples were always poking out begging to be sucked. Mark had fantasized about all of them at one time or another.
Today, Mark was finding Jessica’s sexy body a very close match to his gorgeous sister’s. As he gazed out of his bedroom window, over looking the girls as they splashed about in the pool, he rubbed his hard-on inside his jeans. When Jess climbed out of the pool, he was stunned as her suit was nearly transparent. You could see her dark nipples and the sexy lips of her teenage pussy. She was so fucking gorgeous.
The girls climbed from the pool and moved over to the lounge chairs to get some sun. They were always laughing and giggling about who knows what. As the girls began to apply lotion on each other, Mark found this very arousing. He opened his jeans and pulled his semi-hard cock out and began to stroke himself once again.
Kayla was applying lotion to Jess and Britt was applying lotion to Samantha. He couldn’t take his eyes off of Jessica as she softly rubbed lotion onto Kayla’s back. Kay was lying face down as Jessica’s hands softly ran up and down her sexy tanned back. Mark was stunned as Jessica’s hands cupped and caressed Kay’s exposed butt cheeks.
He watched intently, while stroking his erect cock, as Kay lifted her butt up and Jessica’s right hand slid between her thighs and rubbed her pussy. He could see the look of pleasure on his sister’s face as Jess touched her pussy. Jess was rubbing lotion up and down her legs now but every time she moved up between Kay’s thighs, he could see his sister moan with pleasure.
It was so fucking erotic watching these young ladies rubbing lotion onto each others bodies. They all were touching each other in a sexual way, arousing each other as they touched pussies, breasts and nipples. He couldn’t believe what he was seeing as he stroked his thick cock very slow bringing intense pleasure to his body.
It was around 2pm in the afternoon as his cock erupted for the second time that day. Watching his sister apply lotion to Jessica finally brought another climax. Jess was lying on her back as he watched his gorgeous sister’s hands slide under her bikini top and actually cup and caress Jessica’s huge breasts. Under the material, he could see his sister’s hands rubbing her friend’s nipples causing Jess to moan with pleasure. It was more than he could bear.
After cleaning up and recovering from watching his sister and her friends, he turned on his stereo and booted up his laptop. He soon found himself searching for sexy young brunettes that looking like Kayla again. He had a huge file named simply “K” on his computer of sexy images of nude models that reminded him of his sister.
The rest of the day went fast and soon it was that time of the night when Kayla took her shower. He was lying on his bed reading a book when he saw her look into his bedroom. She was in her short terry cloth robe which was very short. It barely covered her little butt and exposed her gorgeous sexy legs completely. She looked so fucking hot!
“Mark, I’m taking my shower so try not to use the water, ok?” she asked him.
“No problem Kay. Did you enjoy yourself at the pool today?” he asked.
“Sure did, we always have fun together. Why do you ask?” she questioned him.
“Well I happened to look out the window and, I could be mistaken, but it looked like you were rubbing Jessica’s breasts. Were you?” he asked with his eyes peering over his book, eager to see his reaction.
Kayla knew she was caught and she had to think quick………”Well Mark, if you must know, Jess bought one of those tan thru bikini’s, so I had to get the lotion all over her body or she would get burned.”
“Ah, ok, that explains it. And I guess she had to rub lotion on your pussy too so it wouldn’t get burned?” He asked softly.
Kayla was shocked at his question, he was watching them again so she replied, “No silly, that just felt real good!”
With that, she quickly turned to head towards the bathroom. She didn’t know why she did it but as she had her back to her hunk of a brother, she flipped the back of her robe up, exposing her bare ass to him, letting him know she was naked under her robe. Her pussy juices were flowing once again.
Mark’s cock was quickly getting hard in anticipation of Kayla’s nightly shower as he listened to her walking down the hall. He waited until he heard the shower water running. He set the book down and stood up next to his bed. He looked over into his dresser mirror as he pulled his shorts down and stepped out of them. Standing sideways, looking in the mirror, he admired the thickness and length of his rock hard cock jutting out from his body.
He held his throbbing cock in his right hand as he slowly moved down the hall toward the bathroom. Once again his heart was pounding in his throat as he approached the door, only this time the door was already wide open. What he saw next caused even more blood to rush into his already swollen shaft. He just froze in the doorway, stroking his huge hard-on looking at his gorgeous little sister.
She was standing with her back to him, her butt pressed into the shower glass but stuck to the shower glass was a huge dildo shaped like a cock. She was fucking herself very slowly on this cock. It was so arousing as he could see most of what was happening but not quite all as the light frosting hid just enough. The glass was steamed up with two imprints of her butt cheeks on either side of the dildo.
His sister was moaning softly as the fake cock slid in and out of her pussy. She would fill her pussy with it and just rotate her hips from side to side. The heat and humidity was consuming his body as he slowly stroked his engorged shaft. He was so fucking aroused watching his sexy teenage sister riding that dildo.
Kayla knew he was there as she felt his presence. She wondered what his reaction was to see her riding her dildo. As she pressed her ass up into the shower stall glass, she looked over her shoulder to see her brother standing inside the bathroom, pulling hard and slow on his huge cock. She wished it was his hot throbbing cock inside her, not this thick piece of hard rubber.
Kayla was riding her dildo and Mark pumping his cock harder and harder when suddenly their eyes met for the first time. They looked deep into each others eyes as they continued to pleasure themselves. The pretense was gone now. Kayla watched her brother pull his cock as she fucked her dildo. Mark was only inches from the shower stall watching his sister’s gorgeous ass move in every direction.
“Ah fuck Kayla, Ughhhhhhhhhhhhh!” Mark moaned out.
Suddenly Mark arched his back and his cock erupted, sending one, two, three huge spurts of his white hot cum onto the shower glass. If the glass wasn’t there, his cum would have landed all over her sexy ass and up onto her back. His cum was running down the glass as Kayla, watching his cum, rubbed her clit hard from side to side until she shuddered in orgasm as well.
Again, the same as last night, as she turned around, he was gone. She couldn’t stand it any longer. She had to feel her brother’s cock deep inside her, wrap her lips around him and suck him dry, feel his lips on her nipples or licking the folds of her young pussy. She wanted him so badly that her body ached to feel his touch.
Kayla stepped from the shower and quickly dried off. She wrapped the towel around her body and as if she was walking on air, she walked down the hallway towards her brother’s bedroom door. His door was closed as she reached for the knob and opened it slowly. As she opened the door, she found Mark lying on his bed stroking his cock to hardness once again, she let the towel drop to the floor and now stood completely naked in front of her older brother...................
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<a href="http://www.lushstories.com/stories/incest/marks-dark-desires-chapter-ii.aspx">Mark's Dark Desires / Chapter II</a>