Sandra Hill woke up with a huge smile on her face. It was the wee, small hours of the morning, not even close to daylight yet, but it was her 18th birthday, and she knew what that meant. Sandra had gone to bed well before sundown the previous evening, because she knew she would need to rest up for the big day. Her close-knit and horny family had their own way of celebrating eighteenth birthdays, and she expected her brothers and all her other male relatives and some female relatives, even family friends to join her in bed to get the festival started. The first to fuck her might even be her father, with his big cock with the purple head, or an uncle or even Stephanie, her older sister, who would eat her pussy first, then use the big strapon she loved sharing.
Expecting a day of hot sex with a multitude of partners, she had shaved her pussy the night before. After taking care of her personal hygiene, Sandra took off her pajamas and turned on the light in her bedroom and left the door open to let the rest of her family know she was awake and ready for her birthday celebration to begin. Completely naked, she returned to bed and covered herself with a sheet so she would be ready for the parade of sex partners she was anticipating.
They were eager too, and didn't make her wait very long. A tall man entered, and Sandra saw it was Zack, her oldest brother, and he was naked. Avidly, she gazed at the big, hard cock that protruded from his lean form.
"Good morning, Sandy," he greeted her. "Happy birthday."
"Good morning, Zack. Do you have something nice for me there?"
He didn't answer; he knew she could see what he had. Zack approached the bed and pulled the sheet from his sister's body, so she was as exposed as he. Hungrily, he gazed at her sexy, plump form, before gently reaching down to hold a large breast in either of his hands. The first place he kissed her was her mouth, followed by the luscious orbs he was fondling. Their cute, pink nipples were already erect, because she had been awaiting this day for some time, and was already in a state of sexual excitement.
Kissing and licking his sister's pretty face and succulent breasts was fun, but not as much as doing the same thing at another place on her body. After less than a minute, his mouth kissed and nuzzled its way down her plump belly to that place, where he could already smell her pussy juices. When he took a taste, they were delicious and he greedily devoured all the nectar. After that tasty snack, Zack's tongue started caressing Sandra's swollen clit. Her body was already thrashing back and forth on the bed, and he knew she was ready to fuck.
Sandra knew it too, and when he knelt between her legs holding his shaft in one hand, she reached down to spread her pussy lips. He supported his weight with one hand beside his sister's head, while the other guided his cock toward the wet and slippery channel she was holding open for him. When he felt the contact, Zack rubbed the tip in the wetness to spread the lubrication and, after centering it between her index fingers, he thrust forward.
When the head of her brother's hard cock wedged between the soft edges into her tight pussy, Sandra breathed in sharply through her teeth. It already felt fabulous, and she knew the long day of great fucking had barely started. "Give it to me good, Zacky," she whispered to the man looming above her, using the pet name only his favorite girl friends were allowed to use.
He had no objections, and he wanted to give it to his beloved sister as well as he could. With another hard thrust, two inches of his hard shaft burrowed into the wet hole that was so inviting, and Sandra murmured happily again. He had enough of his cock inside her that he no longer needed to guide it, so Zack leaned closer to her and placed his other hand on the other side of her head. One more thrust buried most of his shaft in her very hospitable pussy.
He was about to lower his body and slide forward so his entire frame would be pressed against hers, full length skin on skin contact, as they both preferred, when somebody tapped him on his shoulder. There was no need to ask who it was, because he recognized the voice of Jason, his younger brother.
"Good morning, you guys. Happy birthday, Sandy. Do you guys mind if I join you?"
Sandra spoke for both of them. "C'mon in," she offered. My mouth feels the need of a nice, big cock too."
She twisted her body slightly, and Zack turned in the opposite direction, just enough so that, when Jason knelt on the edge of the bed, his stiff cock was pointing toward the mouth that had expressed the need of companionship. Sandra leaned toward it; he moved in more closely, and she snaked out her tongue to start licking the end. As on other occasions when she had sucked her older brother's cock, she enjoyed the velvety texture of the head, and she licked in concentric circles until her tongue was curling around the ridge. Jason moved in a little closer, and Sandra thrust her face forward to let the rest of his cock glide between her lips until the head was pressed against the back of her throat.
Zack's tall form was canted so one forearm was under his sister's shoulder, and her hand clutched his upper arm. She would use that grip to slide back and forth under him to meet the thrusts of his cock. Once her mouth had started slowly moving back and forth as she sucked off her other brother, Zack withdrew most of his cock, leaving no more than the head inside Sandra's pussy. He paused briefly, before driving its entire length back inside. Her feet were already hooked around his ankles and, when she felt his cock plunging into her, she fucked back to meet it. He groaned in bliss at what her pussy was doing for him. Her mouth was too full to make much of a sound, but she did sigh happily at the joy she was being given by her brothers and that she was giving to them.
The pleasure mounted for all three siblings as Zack slowly plowed his big, hard shaft in and out of his sister's pussy and her mouth stroked Jason's cock at the same pace. The two men didn't feel any need to speak, after their initial greeting, and Sandra's mouth was too full to say anything intelligible, although a listener might have heard her murmuring from her joy in what she was doing. She loved the feel of the thick shaft spreading her lips apart as she enveloped it until the head brushed against the back of her mouth. It felt even better when she opened her throat and let the head slide in even deeper, until her lips and nose were tickled by her brother's pubic hair.
She loved what her older brother was doing too, because his cock was long and thick enough to reach all her major hot spots, even lightly massaging the base of her clit as he drove it into her and again as he drew it back out. By pulling herself against him, using her legs and the hand she used to grip his arm, she multiplied the pleasure they were giving each other. Because of the pace, which Zack was keeping slow and steady, they would enjoy their coupling for a long time before climaxing.
That was Zack's idea too, and he fucked his sister slowly, while her movements evolved from squirming blissfully under his body while she thrust back to meet his strokes to rocking from side to side to wild thrashing with her legs waving in the air and her arms flopping . He knew she was almost ready to cum, so he shifted his position slightly, moving up on her body so his cock massaged her clit more strongly, twice with every stroke Sandra felt the change in the way his cock drove into her and knew she was on the verge of her first climax of the day, so she took Jason's cock out of her mouth to smile at him around it.
"I'm ready to cum, Jay, and I don't want to chomp down on your dick when it happens. I'll finish sucking you off after I cum, unless you want us to do something else instead."
He recognized the need, so Jason said nothing, but moved back and watched the movements of his brother and sister as they grew wilder in front of him. Zack had increased the pace of his cock driving into Sandra's pussy, and she was matching every thrust, so their bodies came together with wet sounds of her juices spattering. They were both grunting and murmuring happily, and he knew they would both climax within minutes.
Sandra started cumming first, which is what their family preferred having happen anyhow. "Oh! Oh, god!" She cried out joyfully, and her arms and legs wrapped themselves snugly around her brother.
He started fucking her even faster, and Sandra matched every stroke. Her hands roved over his muscular body and her ankles locked together to cling to him, while her pussy rammed back to meet him. Less than a minute after starting to cum, she climaxed, all her muscles clenching and her fingernails digging into his back. After her orgasm, the first of many she expected to enjoy that day, she sagged back onto the bed, her eyes closed and a blissful smile on her face.
As a considerate man should, Zack had let his sister finish cumming first, but he knew his time was immediately after hers. He plunged his cock in and out of her a dozen more times before his climax welled up in his body; he grimaced and sighed happily and shot a burst of cum into her. Knowing he wasn't through yet, he kept driving his cock into his sister's pussy until he had ejaculated twice more, and sprawled on top of her, taking a few minutes to rest and catch his breath.
Jason didn't want to wait any longer so, with his older brother sprawled on top of their sister, he moved close again and pressed the head of his cock against her smiling mouth. Sandra's eyes opened; her lips parted and she moved her head forward for her mouth to engulf the eager cock of her other brother. While Zack lay on top of her, she stroked it slowly between her lips, taking it in only as far as the back of her throat.