(First off, I want to apologise for the massive delay between chapters 2 and 3. I have no excuse, beyond the cliche of "life happens". For those who have been waiting patiently, and those who have left encouraging comments and messages, thank you so much. I hope you enjoy this new chapter in the Gilbert family saga and, as always, if you haven't read the first two chapters that might be a good place to start before this one.)
*
Jason Gilbert was dead. The 19 year old had died and arrived in heaven. That was the only explanation that he could think of for the situation he currently found himself in. He was laying back on his bed, his legs hanging over the edge, with his younger sister Sophie sitting on his face. The petite teen was sucking on the head of Jason's massive cock while he lapped at her dripping pussy. Although he couldn't see them, he knew that his mother Alison and his older sister Sarah were both kneeling between his legs. One of them was sucking on his balls while the other was running her tongue up and down the length of his shaft. A week had passed since Jason had expanded his incestual relationships beyond Sarah and fucked both his mother and Sophie. The week had been a non-stop fuckfest in the Gilbert household. The family often made it a foursome, but the three women happily took any opportunity to jump on Jason's cock. He hadn't been able to shower once in the last seven days without Sophie joining him under the hot water. Every time he tried to work out in the house's basement gym, Sarah followed him down and rode him on every piece of equipment. His mother frequently asked him to accompany her to the shop, which inevitably involved pulling over somewhere private and fucking in the back seat of the car. As much as Jason was enjoying the constant supply of eager pussy, occasionally he found himself missing family movie nights. He missed spending time with his mother and sisters as a family rather than an orgy.
Movie nights were far from his mind at that moment, however. All he was thinking about was how good his sister's pussy tasted, and how close he was to shooting his load down her throat. Suddenly there was a flood on his tongue as Sophie came, never taking her lips from his cock even for a second. Knowing that he had just made his little sister cum prompted Jason's own orgasm, and Sophie swallowed every spurt of hot seed like a professional.
"I hope you're not spent, sweetie," said Alison as Sophie rolled herself off her big brother, "because mommy really needs this fat cock in her pussy now."
Just as Jason was about to assure his mother that her pussy would be well taken care of, they were interrupted by the ringing of a phone. Alison sighed and got to her feet, her massive tits and enormous belly jiggling as she rushed from the room to find the phone. Sarah crawled up onto the bed, pushing herself between her siblings. She began stroking her brother's half-hard cock, lubricated by the saliva of all three Gilbert women, and lent down to make out with him. She could taste Sophie's juices off of Jason's lips. She was about to throw her leg over her brother and mount him when Alison came back into the room. Her plump face was full of disappointment and frustration.
"Everyone needs to shower and get dressed." she said. "That was your grandmother. The company she hired to help her clear out the junk in her house has cancelled on her and she really wants to get it done this weekend. She asked if Jason could go and help and I suggested that we could all help out."
"I actually can't, mom." said Sarah, still stroking Jason's now rock-hard shaft. "I completely forget but a friend from college is in town this weekend and I said I'd show her around."
"I can't either." Sophie piped up, finally emerging from her post-orgasm haze. "I'm supposed to be spending the weekend at dad's, remember?"
"I'm sure fathers and friends would have remained forgotten if it was hard cock on offer instead of hard work," Alison tutted, feeling a little gush in her pussy when she glanced at her son's stiff manhood, "but I'm sure my mother will understand. Looks like it's just you and mommy going to grandma's, Jason."
*
Alison and Jason dropped Sophie at Keith's house on the way. She was more than a little disappointed that her weekend would no longer involved her brother's huge tool stretching her out, but she liked spending time with her father and given the choice between lugging boxes around her grandmother's house or being spoiled like a princess, she was happy to choose the latter. She let herself into the house with a spare key, and immediately heard the kind of sounds that had been filling her ears for the last week. Somebody was getting fucked, and they were thoroughly enjoying it. Normally Sophie would have quietly left and then rung the doorbell, giving her father a chance to bundle his 'friend' out the back door. She was still horny from the morning's incestual activities, however, and she found herself creeping through the house towards her father's bedroom.
The bedroom door was open a crack. The bed was hidden from view, but luckily for Sophie there was a large mirror directly in her line of sight that allowed her to see everything. And there was lots to see. Keith was exactly what Jason was going to look like in his forties. His black hair and beard had flecks of grey all though, and while he was still in shape he definitely had a dad bod. From what Sophie could see his cock wasn't quite as big as her brother's, but he was bigger than her friend Marcus. More importantly, it was clear that he knew how to use it.
The girl that Keith was ploughing from behind was in absolutely ecstasy. Her dark blonde hair was a mess, and her body shone with sweat. She looked to be in her early twenties. She was throwing her round ass back on Keith's cock like a woman possessed.
"Mmmmmmm yeeeeesssssss." she moaned, her fingers gripping the bed sheets beneath her. "Fuck me just like that, daddy."
"You like taking daddy's cock, princess" Keith asked her, giving her a light spank as he did.
"God yes daddy!" came the response. "You know just how to fuck me. You're so much better than my boyfriend."
Sophie was getting hornier by the second. Not only was her dad obviously great in bed, but he was definitely into being called daddy in the bedroom. She wondered if her father was just a dom, or if she and her siblings had inherited their incestuous tendencies from both sides of the family.
"I'm so close, baby girl." she heard her father moan, and for a second she thought he was talking to her.
"Remember to pull out, daddy." the girl said. "Unless you want to get me pregnant?"
Keith groaned then, and after slamming into his partner's pussy one last time he pulled out. The second the head of his cock left the girl's dripping cunt he started cumming, shooting rope after rope over her back. Sophie watched in awe as her father painted the girl's back with his cum, thinking about all the times Jason had coated her body over the last week. Her brother had definitely inherited his impressive load volume from their father. She crept back through the house and left through the front door as quietly as she could, before ringing the doorbell to announce her 'arrival'. As expected, the girl had clearly been pushed through the back door while Keith had thrown on a t-shirt and shorts. Sophie jumped into her father's arms when he answered the door, nuzzling her nose into his neck and inhaling the scent of the hot sweaty fuck he didn't know she had seen the end of. She had made up her mind. Jason got to fuck Sarah and their mother as well as her, why shouldn't she taste the forbidden fruit of incest with more than just one related man? She was going to be the next girl that called her father daddy in bed.
*
