Kelly's Diary 117 - My Mom's Best Friend Returns - Cover

Kelly's Diary 117 - My Mom's Best Friend Returns

Copyright© 2025 by Kelly85

Chapter 4: Tammy Loses Control in the Hot Tub

Incest Sex Story: Chapter 4: Tammy Loses Control in the Hot Tub - Back when I was seventeen and enjoying the summer before my senior year of high school, I had what can only be called an "interesting" experience. It's been almost four years since then when an unexpected visit allowed us the opportunity to see if our first time had just been a fluke or was there really something between us.

Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa   Fa/Fa   Consensual   True Story   Incest   Mother   Father   Daughter   Oral Sex  

By the time I made it out to the deck, my parents had already gotten the hot tub going and it was frothy from the jets, making it impossible to see beneath the surface. I didn’t need to see to know my parents were nude. It would have been far more surprising if they were NOT since for as long as I can remember, none of us wore anything in the hot tub. Even when I was a little girl, I never gave it a second thought to jump in naked with my mom and dad. For me, that was just the way it was.

I dropped the towel I had tied around me and gingerly stepped into the tub. As always, the hot water took some getting used to but eventually I was submerged with the exception of my shoulders and head. Each of us was occupying one corner of the tub, sitting in one of the molded seats and enjoying the feel of the jets against out back and sides.

“See Tammy on your way down?” my mom asked.

“No, I thought she was already down here.”

Just then the door to the deck opened and out came Tammy.

“Don’t worry, I’m here!”

I looked over and saw she was wearing a full one-piece bathing suit. Granted, Tammy hadn’t aged quite as well as my mom and a bikini probably wouldn’t have been the most flattering thing for her to wear. It was the fact she was wearing anything at all that made for a potentially interesting scenario!

“C’mon in,” my dad encouraged her. Tammy stepped over to the hot tub and it was then I think she realized for the first time that my mom and I weren’t wearing anything, at least on top. With the jets running she couldn’t see if we were wearing anything below but I think she figured out the situation pretty quick.

“Ummmmm, maybe this wasn’t such a good idea,” she said hesitantly, “I think I’ll just watch some TV if you don’t mind.”

“Don’t be silly!” my mom replied, “Don’t worry, you look great!”

“Yeah but ... I’ve never done anything like this, you know?”

“Like what?” my dad asked. “We’re just enjoying the tub. C’mon, you know, it’s not like it’s anything I haven’t seen before.”

Tammy actually blushed at that. She rolled her eyes and said, “Well, that was a long time again John Wells. I’m not exactly a freshman in high school anymore, you know.”

“Don’t worry about it Tammy, it’s just us,” my mom encouraged her, “Besides, it will feel so much better without that suit on.”

Tammy hesitated for another moment and finally her cheeks puffed out and she let out a loud sigh.

“Alright, but don’t you dare tell Brad!”

I couldn’t help but giggle a little at that. Her poor husband would probably faint if he knew Tammy’s history with my dad, let alone if he heard she was joining us in the hot tub nude. Tammy dropped her suit and quickly entered the tub, as if she wanted to get in as fast as possible to hide herself under the water. Despite myself, I couldn’t help but feel a little excited as she stripped. Knowing that she and my dad had done it back in high school and now she as once again naked in front of him was pretty erotic, even if they weren’t doing anything. I also noticed that my dad’s eyes didn’t leave her for an instant either. I could only imagine what was going on between his legs just now!

Once she was in the water and the conversation turned to the day’s events and such, Tammy seemed to settle down and relax. I don’t know if she thought she was going to be attacked or have to take part in some orgy or what. It was similar to what I encounter from most people when they first hear about my parents and me. They seem to assume that just because we have an incestual relationship that we are having sex all the time.

After about twenty minutes or so, my dad’s face was getting pretty red and my mom was getting concerned about him.

“John, don’t you think maybe you should take a break for a few minutes? You know what the doctors say about staying in here too long at one stretch.”

My dad nodded and he lifted himself up with both hands to the side until he was sitting on the edge of the tub with just his lower legs dangling in the water. What made it interesting was that he was also sporting one heck of an erection! Tammy noticed it as well and her eyes widened. The three of us all saw her reaction at the same time and I waited to see what, if anything, someone was going to say. Nobody did, though, so I decided to break the awkward silence.

“Ummmmm, Dad ... something on your mind?” I teased him.

Tammy laughed nervously, as if she felt she needed to make some sort of response but didn’t know what to say. Even so, her eyes stayed on my dad’s crotch.

“Well, can you blame me?” my dad laughed, “What do you expect when I’m with three beautiful women, all of the naked and hot?”

My mom moved over to Tammy and put her arm around her. Their naked bodies were pressed up against each other but I don’t think Tammy even noticed.

“So Tammy, does it still look the same?” my mom teased her.

“Ahhhhhh, I guess.”

“It’s OK, it’s not like you have to worry about anything. You know John and I don’t swing.”

“Yeah ... BUT... “ she blurted out, looking at me as she did. Obviously she was referring to what she had learned this afternoon about my dad and me.

“Ohhhhhhhhh, you mean THAT,” my mom said, as if the thought had never crossed her mind. “Kelly, why don’t you show Tammy what we were talking about this afternoon?”

“That’s OK Kelly, you don’t have to do it for my sake,” Tammy quickly responded. “I mean, well ... I’m not so sure I’m ready for that.”

“Oh nonsense!” my mom exclaimed, “I told you it as something she liked to do so just relax and watch the show.”

Tammy didn’t seem to know what to say so I shrugged my shoulders and moved in between my dad’s legs. His dick as was hard as ever, still wet from the hot tub with his pubic hair plastered down in a matt around it. I had been wanting to suck him since I first got in the tub so I didn’t waste any more time but instead went right to work on my dad’s dick. Taking the head in my mouth while I held it in place by grasping the shaft close to his crotch, I sucked on the just the head like it was a tasty popsicle. Actually, it didn’t taste all that great to start with as the bromide smell and taste in the hot tub water was covering him. Gradually the taste faded away as I sucked him more but the scent of the chemicals was still strong.

“Ohhhhhhhhh,” was all my dad was able to say as he groaned softly when I took more or his dick in my mouth. Each time I bobbed my head on his dick I took in a fraction of an inch more each time until finally I had his entire cock in my mouth. With my face buried in the base of his dick, I twisted my head back and forth, rotating his dick in my mouth as my tongue played along the shaft.

“Damn that feels good Kelly!” he groaned again. I looked up at him and our eyes met as I held his dick in my mouth and tried to smile as best I could with a mouth full of cock. Then I looked to the side where my mom and Tammy were sitting. My mom still had her arm around Tammy and Tammy’s hand appeared to be clasped in front of her as she watched me suck my dad’s dick.

“So what do you think Tammy? Can my daughter suck cock or what?” my mom bragged to Tammy.

“Yeah, you could say that,” Tammy replied, “But still, I just can’t get over the idea that she’s sucking her own father! It’s unreal.”

“But don’t you see how wonderful it is?” my mom pressed her, “It’s so beautiful seeing her pleasing him like that. I just think it’s wonderful they’re so close, don’t you?”

I turned back to my dad’s cock and after that it was hard to hear what the two of them were saying with the noise of the hot tub pumps and jets. It didn’t really matter what they were discussing. What DID matter, though, was the feeling of my dad’s cock in my mouth. Of course, knowing Tammy was watching made it all the more erotic for me. I sucked and stroked my dad for maybe ten minutes or so, keeping him aroused but being careful not to cross the line to where he couldn’t help but cum. No way did I want him to lose that erection yet!

Finally I needed to catch my breath so I moved to the side of my dad and stroke his dick slowly with my hand. I looked over and saw my mom’s hand on the arm she had around Tammy had drifted down until she was cupping Tammy’s breast in her hand. Tammy appeared not to even notice but she had to know my mom was fondling her.

“God, isn’t she beautiful?” my mom asked Tammy. Tammy seemed mesmerized by everything and just sat there motionless. My mom bent her head down and kissed Tammy on the lips. THAT brought her out of her reverie!

“Mary!” she gasped. She tried to pull away but without much effort behind it and my mom easily kept her arm around her. They kissed again and both my dad and I watched as the best friends quickly became more passionate with each other. It was like Tammy had been holding back and now that the door had been opened, she was letting it all out at once. I noticed my mom’s other hand was under the water in the area of Tammy’s crotch and I had a good feeling from the way Tammy suddenly jumped that her fingers had found a sensitive spot down there!

After a few minutes they parted from their kiss and Tammy had a dazed look on her face, as if she was in some sort of dream and was just waking up. My mom had a huge grin on her face and I knew she was thrilled to finally be doing this with her best friend.

“Do you want to see him fuck her?” my mom asked Tammy. It was a little surreal, like she was showing me off or something. Tammy just looked at her as if she didn’t know what to say in response.

“Seriously Tammy, would you like to watch John fuck Kelly?” my mom repeated herself to Tammy. I pressed my thighs tight together as my pussy felt a little jolt as the thought of having her watch my dad fuck me made me even hornier than I was already.

“I ... well I guess so,” she stammered, “I’m sorry, it’s just I still can’t quite get over that yet.”

“What do you mean, that I let my husband do my daughter?”

“Yeah but it’s still incest!” Tammy protested.

“Your point?” my mom countered. Tammy didn’t have an answer ready so my mom hugged Tammy and I barely heard her say, “Go on, tell him to fuck her.”

“What? You want ME to say that? Why?”

“Trust me Tammy, just do it,” my mom urged her, “See how it makes you feel.”

Tammy looked at her and then at my dad and me. I could see her shoulders move back as she took in a deep breath, as if she was about to embark on a major effort.

“Alright then, do her John.”

My mom slapped her shoulder playfully. “Oh come on Tammy, you can do better than that.”

“Ummmmm, fuck her John,” Tammy tried again but my mom still wasn’t happy and urged her to let her feelings out. Tammy rolled her eyes and this time she let herself go.

“Fuck her John ... I want to see you fuck your daughter!”

“That’s it!” my mom encouraged her, “Didn’t that feel hot?”

“Oh my god, I can’t believe I said that!” Tammy said, her hands covering her mouth as if to keep anything else from escaping. It was OK with me; I was getting incredibly turned on by everything and from the stiffness of my dad’s cock in my hand, so was he.

“You heard her daddy, fuck me!” I said playfully.

I moved over to the side of the hot tub adjacent to where my mom and Tammy were sitting tightly together. Leaning over the edge, my ass was just above the water line and I spread my legs apart to present an unobstructed view of my wet asshole and pussy. My dad made his way through the water, his cock sticking up above the waterline like a periscope from an attacking submarine. Moving in behind me, he gripped his dick in one hand and steadied himself by holding onto my hip with the other. I could feel the head of his cock pressing against me and I wiggled my ass, signaling my desire for him to enter me.

“So is this what you wanted me to do?” my dad teased Tammy.

Actually, he was teasing me even more as my pussy practically cried out for his dick to come inside. Tammy was obviously overcoming her initial fears and her inner lust was emerging as she got hornier by the minute between my mother’s touches and now the show that was about to take place right next to her.

“I can’t believe you are going to actually do it,” was all she could say at first. Then she gasped as my mother must have come in contact with something sensitive again. “OK John, stop fooling around and show me how you screw your daughter.”

It was like her words were the firing of a starting pistol as my dad’s cock immediately began to force its way into me as soon as the words were out of her mouth. I gasped as his cock head split me apart, penetrating me like nothing else in the world can.

“Oh daddy, fuck me,” I gasped between my non-stop moans.

I couldn’t seem to stop moaning, they just kept coming out from my mouth as I felt that incredible sensation I get whenever a hard dick is making its way into me for the first time. Finally I felt his crotch pressing up against my ass and I wiggled my butt against him.

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