Kelly's Diary 170 - Aunt and Cousin Do My Boyfriend - Cover

Kelly's Diary 170 - Aunt and Cousin Do My Boyfriend

Copyright© 2025 by Kelly85

Chapter 2: Duane Fucks Kristen at Church

Incest Sex Story: Chapter 2: Duane Fucks Kristen at Church - Lately I've been thinking about how to approach my boyfriend about my incestual family life as I think he may want to propose soon. Wouldn't you know that my cousin would take matters into her own hands. It was my fault - should have known better than to give the slut any ideas. Note: I wasn't there when this took place so I go by what my cousin and aunt told me. Thus I had to use some "literary license" to fill in the gaps and and reconcile differences in in their memories.

Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa   Fa/Fa   True Story   Incest   Cousins   Niece   Aunt   Oral Sex  

What follows is the best I can do to piece together the stories I got from the three of them. Although my mom was only involved in the “setup”, she still had some information that helped to fill in the blanks from conversations she had with her sister. It wasn’t easy as in some cases their stories were a little different and in a couple of minor points, even conflicted. I guess that’s the case any time you get more than one person recounting what happened at a major event. The dialog is the best I can do from what they said and how I interpreted what happened as they didn’t videotape anything. I debated writing up three versions, one from each of their perspectives, but frankly, that would be too much work and most would be repetitive anyway. I had them all read it over and they made some changes, helped with the dialog, and fixed a few errors.


“So did you hear about Kelly’s boyfriend?”

Linda looked up from her magazine at her daughter’s question and answered, “You mean Duane? What now, they didn’t break up or anything, did they?”

Kristen crawled in bed next to her mom and grinned, “Oh no! In fact, the word is he’s been out looking for rings. I bet he’s going to propose to her soon.”

“Oh really? That’s interesting considering they’ve only been going out for what, five or six months? Sounds kind of quick if you ask me.”

“Oh mom, don’t be so old-fashioned! You’ve seen them together. They really love each other so why put it off? For crying out loud, he’s almost thirty already!”

“Hey, let’s watch the old age comments kid,” Linda playfully smacked her, “So has she told him about the family secrets yet?”

“No ... you know better than that. But now she’s all worked up over how she’s gonna tell him. It was all she talked last time we went out.” Kristen paused and grinned at her mom mischievously before changing the subject. “So will I be sleeping alone this weekend while Aunt Mary and Kelly are at Grandma’s house?”

Linda couldn’t help but grin. She knew full well what Kristen was referring to - that she would be staying the night with her brother-in-law while her sister was out of town. She ALSO knew that Kristen already knew the answer. Well duh! Even Kristen could figure THAT one out. Of course she would! Kristen silently moved in closer to her mom and started to gently massage her mother’s breasts as she pressed her wet crotch in against Linda’s hips.

“You know mom, I still don’t get why Uncle John married Aunt Mary instead of you,” Kristen went on, “He seems to like fucking you a lot more than her.”

Linda brushed her fingers through her daughter’s blonde hair as she felt her nipples responding to Kristen’s light touch. “You know Kristen, some day you’re gonna learn that there’s more to a relationship than just sex. Besides, it’s not like that by marrying her we don’t get to have fun. In a way, I prefer to look at it as he lucked out and got the best of both of us - her personality and love, my sex drive.”

They both giggled at that as Linda put her book away and turned to embrace her petite nude daughter. There was little talk after that as the two of them were exceptionally horny with Linda looking forward to the weekend with her brother- in-law and Kristen having her own thoughts about the possibilities for the upcoming holiday weekend - ideas her mom wasn’t aware of, at least not yet.

As planned, Linda was off to her sister’s home before Mary and Kelly had cleared the city limits. It had been over a week since she had last been fucked by her brother-in-law and the sex she’d had with one of her clients since then had been boring and unimaginative. No matter as it had been good enough to close the deal which was all she really cared about at the time.

As she approached the house, she couldn’t help but remember the first time John had fucked her, way back in eighth grade. He was the first boy to fuck her and only the second guy period as her dad had been the only one until then. The look on her sister’s face when she found out her boyfriend was fucking her little sister was priceless, etched forever in her memory. As she walked in the basement from the garage, she left her clothes behind on the family room couch. She wouldn’t be needing them again for a couple of days if everything worked out as planned!

Meanwhile back home, Kristen was pacing the bedroom, debating for the umpteenth time what to do. Well, she already knew exactly what she WANTED to do, it was just a matter of what WOULD she do. On the one hand she wanted to fuck Duane again but then while she knew her cousin wouldn’t claim to care if she did, she remembered the look on Kelly’s face at the last party where Duane had been fucking her in the bedroom (one of many guys to do her that night so it wasn’t like it was anything romantic) and Kelly had walked in.

Her eyes blazed at the sight of her boyfriend’s hard dick in her cousin’s wet pussy but she manage to put on a smile and act like everything was OK. In fact, she had laid down next to her cousin and invited the next guy in line to take her and fuck her. It was pretty obvious she was trying to get Duane jealous by having him see a train of guys fucking her but if anything it backfired as he seemed to enjoy the show, even encouraging more guys to fuck her.

Finally she picked up the phone and started to punch in Duane’s number. The heck with it. It wasn’t like he and Kelly were married - or even engaged. Even if they were, Kelly would have to let Duane fuck her cousin, those WERE the rules, right? Duane seemed surprised to hear from Kristen but she went right at him nonetheless.

“Hey lover boy, your precious Kelly’s out for the weekend so I was wondering if you had anything that needed some ... let’s say ... attention?” Kristen said after exchanging perfunctory hellos. She wasn’t wasting any time!

“Kelly would kill me if she found out,” Duane responded just as vaguely. Kristen found it interesting that he didn’t say he didn’t WANT to, only that Kelly would not be happy if he did.

“Well ... who says Kelly has to find out?”

“Shit Kristen, don’t you get enough dick without having to go after your cousin’s boyfriend?” he teased her.

“Sure ... but now I want YOURS,” Kristen taunted him.

There was a moment of silence on the phone and then Duane replied, “I don’t think it’s me so much you want as your cousin’s boyfriend. Shit, why are you two so competitive all the time? That last party was crazy.”

“Well, it wasn’t like you complained when we bet to see who could give you the best blowjob,” she retorted, “And I know you said she won only just because she’s your girlfriend.”

“Well Kristen, as tempting as the offer may be, I have to take a pass, OK?”

Kristen abruptly hung up on him, frustrated and a little bit pissed off. She couldn’t even remember the past time a guy had turned her down and the feeling was not all that great. She sat back on the bed and started to masturbate as she plotted how she was going to get Duane’s dick in her before the weekend was out, except now, it was more than just being horny. Now it was a challenge!

It was a long night for Kristen, alone in bed with nothing but a few toys and a couple of porn videos to watch. Saturday was even worse. She had a client for the afternoon but her heart really wasn’t into it. Besides, he was some overweight, middle aged man who probably hadn’t fucked anyone, including his wife, in years. He was so horny that he probably never noticed that the whore he was fucking couldn’t have really cared less about his dick in her. Fortunately he had no idea that Kristen was imagining it was Duane fucking her instead of him. Nothing drives her crazier than to want a man and not have him. She would get Duane to fuck her, one way or another.

Saturday night there was a party at one of her friend’s house. There was quite a crowd, mostly guys from high school which was why Kristen wanted to go in the first place. Kristen wasn’t the only girl in town who preferred younger boys and when you’re into that sort of thing, you tend to gravitate towards other people with similar interests. Most of the guys were seventeen or eighteen although a couple boys were clearly lying about their age but nobody really cared, least of all Kristen.

Normally Kristen loved these parties, especially when someone brought in one of their younger brothers (or sisters for that matter). Tonight, though, she just felt depressed and couldn’t get into the spirit of the party. Her body instinctively reacted so it wasn’t like most of guys knew she was distracted. Still, as one after the other fucked her and came in her, all she could think of was who was NOT fucking her - Duane.

That night back in bed, as she did her usual bed-time masturbation session, Kristen thought about Duane even more. It was like it had become some sort of quest for her. She certainly didn’t want Duane as a boyfriend, he was WAY too old for her so Kelly could have him for that. She just wanted to get him to fuck her and prove to him that he couldn’t resist her.

After she had cum a couple of times and was laying back in bed, feeling a little more relaxed, her brain seemed clearer and suddenly an idea popped in her sleepy mind. The more she thought about it the hotter it made her and before she knew it, she had to get herself off yet again before settling back into her pillow with a satisfied smile on her face as she fell asleep.

Normally, Kristen would have slept in on a quiet Sunday morning. With Kelly and her mom 500 miles away or so, her mother and Uncle John “worshipping” each other in bed this morning, and given that Kristen wasn’t all that religious to start with, she would have blown off church except for one thing - she knew Duane would be there. It was easy for him to turn her down over the phone but she had a feeling it would be a lot harder in person, especially if she baited the trap properly.

Walking into the church entrance, Kristen was greeted by an older couple assigned to shake everyone’s hand as they came in. It was all she could do to keep from bursting out in laughter as she shook their hands and noted their differing responses. The couple this morning looked to be in their sixties or so, or maybe even older. As hot as it was this morning, he was wearing a full suit and she had on a long, hot, dress.

What was funniest was not their reactions, per se, but the contrast between them. The husband kept trying to act as though he wasn’t interested in her but his eyes kept glancing down at Kristen’s boobs. It wasn’t like they were well hidden or anything, practically bursting out of her bra that was barely concealed by her blouse which was unbuttoned at least two buttons lower than most girls would have considered “decent”. He also seemed interested in her legs and there was plenty of them to see as well given the shortness of her skirt. In fact, it was so short she even conceded to wearing panties, or at least a thong, as it wouldn’t do to flash her bare pussy in this crowd.

The husband’s reactions were fun, but predictable and Kristen brushed them off as just about every other heterosexual male in the room was looking at her the same way (and maybe a few women as well). No, what turned her on the most was the barely disguised look of disgust that his wife was giving her.

As they shook hands, it was like she couldn’t pull her hand away fast enough. It wasn’t like the folks in church were seeing her this way for the first time and she was well aware of her reputation and the fact that most regular attendees knew her profession. She wasn’t like Kelly, trying to act all innocent and sweet. Kristen’s philosophy was simple, if you got it, flaunt and flaunt it some more after that.

As she made her way down the pews, she noticed Duane was sitting alone towards the back. That was unusual as usually he either sat with his parents or Kelly. For whatever reason, his parents weren’t in sight, leaving him all alone, like a young gazelle separated from the herd, vulnerable and easy to hunt down. Kristen took a seat next to Duane, not bothering to pull her skirt down such that her thong was almost visible as she sat close to him and crossed her legs, pulling the skirt even higher up her tanned thigh.

“Hi Duane, I missed you last night,” she greeted him with a sultry voice.

“Oh I’m sure you did just fine without me,” Duane replied, rolling his eyes, “So how many did you do?”

“It doesn’t matter, I was thinking of you the whole time,” she whispered. “You must be wound pretty tight without Kelly around this weekend, aren’t you?”

“Well, if you really must know, she called last night and you can imagine how that went,” he replied, trying not to act like he was paying her too much attention.

The service started and they had to shush their banter. When they stood to sing the first hymn, Kristen “accidentally” brushed her hand against his crotch but he just ignored her. After the hymn, every greeted one another and Kristen turned to Duane and whispered in his ear, “I want you to fuck me ... NOW!”

Duane just shook his head. He undoubtedly knew what she wanted and she couldn’t believe that he didn’t want it too. Crap, he wasn’t married or anything like that so what was the big deal anyway? Well, there was just one thing left to do. She planted her hand on his crotch and he promptly pushed it away.

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