Sucking the tip inside, Denise quickly found that she had to open as wide as she could to accommodate her brother’s meaty rod.
She sucked more of his cock inside, massaging the underside of it as she did. She could feel it growing harder with every second, and knew that Adam’s body was taking over the control from his mind.
She began bobbing her head up and down on his cock, making him moan slightly in delight. She trust a finger into her soaking pussy, and began stimulating herself as she worked on Adam’s cock.
About a minute later, she had a huge orgasm.
She pulled her mouth away from Adam’s member, and looked at her finger, which was covered in sticky white cream.
“Here, have a taste of your sexy sister’s pussy,” she ordered him. He seemed tempted to object, but instead chose to suck her finger clean without protests. “Did it taste good?”
He forced a smile. “Delightful,” he said.
Denise could now see that Adam was fully erect, and pushed him back onto the bed.
She kicked off her shoes, and straddled his thighs. “Do you want to feel your cock inside of my pussy?” she asked, as she started playing with her pussy with one hand, and fondling her breasts with the other.
Adam took a deep gulp. “I…” he said.
Denise moved her hand from her pussy, to his cock, rubbing her pussy juice all over it. “I didn’t catch that? Do you want to feel that nice big cock of yours, inside your sister’s tight little pussy?” she asked him teasingly.
Adam closed his eyes, and then nodded. “Yes. Please, I need to feel my cock buried inside your pussy Denise,” he said.
He didn’t need to ask her twice. Denise’s pussy was now literally dripping with juices, and she placed herself over her brother’s throbbing member.
Their eyes met for a moment, and then Denise plunged herself down onto his cock.
“Ooohhh. FUCK!” she exclaimed, she felt her pussy being split wide by her brother’s cock. She had fucked one guy who had a cock longer than this before. That had not been nearly as thick though, and this was stretching her far more.
She felt both immense pain, and immense pleasure, as she forced herself even further down on her brother’s breeding tool.
“Fuck. Jesus Adam, you are tearing me up!” she gasped, as she looked down, and noticed that she had only gotten about 2/3 of the way. Adam didn’t say anything, and Denise found it impossible to read his facial expression.
She turned her attention back to her own pleasure, and after a few short moments, she had all of Adam’s cock buried inside of her.
“Oh god. You are so fucking big! I love it!” she panted, as she began to ride him, slowly rocking her hips back and forth. Adam still didn’t respond. “How does it feel to fuck your big sister Adam?” she panted. “Wonderful,” he answered, in a somewhat distant voice.
Denise started fucking Adam at a furious pace. It was like she had been possessed by a wild animal. She had to mate. She had to fuck this cock to submission. With every rocking motion, she felt a wave of pleasure rush over her, as Adam’s cock touched her inner most depths.
Denise always wished that Amanda could have walked in on them right at that moment, and seen her perfect boyfriend cheating on her with a woman far superior to herself.
Soon Adam began to pant as well. “Oh fuck. I am going to cum!” he exclaimed, and tried to push her off of his cock. For some reason this action angered Denise.
“What the fuck are you doing?” she asked him, as she wrapped her legs forcefully around him. “Did I tell you to pull out Adam?” she asked him, as she stopped moving.
Adam looked nervous. “I don’t want to cum inside you Denise,” he said.
“Why? What’s wrong Adam? Am I not good enough for your cum? Is that honour reserved for that little blonde bitch?” she asked him. Adam shook his head. “You haven’t been on the pill since you broke up with Carl. It would be a bad idea,” he said, as he tried to pull her off again. Denise was not intending to let Adam have any say in the matter. She was the one in control, not him. She clasped her thighs tightly around Adam’s hips, and wrapped her legs tighter around him, so he would not be able to push her off.
“And how exactly would you know if I am on the pill or not? Are you spying on me little brother?” she asked him curiously.
“Come on Denise. You always keep the pills on the top of your little mountain of bathroom products when you are using them. Figuring out when you are not taking them doesn’t exactly require a degree in forensics,” Adam told her.
“So, you are afraid you’ll knock up your sister with a little baby huh?” she asked him angrily.
He didn’t answer and just looked away, which made Denise even angrier. “You know what?” she asked him, as she began a slow rocking motion again. “Perhaps I should make you fuck a baby into my belly.” Denise kept fucking Adam, enjoying the fear that was now showing in his eyes. “Is that something you would like Adam? Would you like to see your sister’s belly swelling with your little bastard baby squirming inside?” she hissed at him, as she picked up her pace.
Adam just looked pleadingly at her. “Please Denise, I beg you. Stop this,” he said quietly. Denise reached to the side of the bed, grabbed her panties, and brutally showed them into Adam’s mouth, silencing his protests.
Denise was now fucking Adam at full speed again. “Come to think of it, my period was almost 2 weeks ago, so I should be pretty fertile right now. Talk about a happy accident huh? There should be a little egg inside me, just waiting to be fertilised,” she panted, growing more excited by the idea with every second.
Denise didn’t know what had gotten into her. She had never planned for, or wanted, any children. She only now realised that this could have been a disastrous weak point in her plan, but she hadn’t thought about it even once before this point. And yet, for some reason, making Adam breed her with his baby seemed appealing to her. Perhaps it was because it would be an undeniable proof that she had gotten him. And with her entire body now yearning to reproduce, she found herself hit by a wave of pleasure as she tried to accomplish her goal.
Adam began panting rapidly, and started to squirm underneath the rocking hips of his older sister.
A few moments later, he began groaning, and Denise felt his cock twitch inside her burning hot pussy. She felt the faint wet sensation as Adam came inside of her, filling up her fertile young pussy with his potent sperm.
“Yes Adam, that’s a good little boy. Make a baby with me!” she panted, as she began shaking with another major orgasm, making her convulse and causing her pussy to almost milk her brother for every drop of cum he had to offer her.
She collapsed onto Adam’s chest, but was almost immediately pushed aside, as Adam got up from the bed, grabbed his clothes, and left.
Denise felt pretty happy with herself. She grabbed the camera from the tripod, and made sure to get a close up shot, showing her pussy dripping with Adam’s sperm.
Afterwards, she found herself in the shower, where she was hit with the full realisation that she might have gotten pregnant. The idea terrified her. But there was also another feeling: The weird feeling of power, control and lust.
She stepped out of the shower, and observed her wet reflection in the mirror.
“I know what you are thinking. And I like it,” she told the reflection. She then proceeded to dry herself off, get dressed, and walk back to her room.
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