📚 evolution Part 12 of 13
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Evolution Pt 12

Evolution Pt 12

by shacer
19 min read
4.27 (9400 views)
adultfiction
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It's been a long time since Tom changed a diaper. Not since Claire was a baby, and she sure as hell isn't a kid anymore. But as is the case with most things, it comes back to you very quickly when you're in the deep end. However, at 41 years of age, starting again with a third child was not in Tom's plans.

For a while after discovering Emma was pregnant, Tom decided he would try to be extra cautious and wear a rubber whenever he screwed someone, other than his sister-in-law that is, the milk had already been spilled there. But with a cock as big as his, it was impossible to find a condom to fit without causing him serious discomfort. So he just settled for blowjobs and the odd ass fuck with anyone who was willing to try, however most women just laughed and said "no fucking way" when they saw what he was packing. He got over this anxiety after a week and resumed screwing pussies bareback again. It was the worst week of his life.

Tom loved nothing more than cumming into in a woman's cunt, the feeling of his seed flooding a hole that was made for cock was the icing on the cake for him. Whatever drove this need, Tom wasn't going to deny himself that wonderful pleasure just because of one mishap. If he was completely honest with himself, putting a baby in Emma had opened up a completely new fascination for him, and the idea of breeding as many women as possible was a huge turn on. It's not that he actually wants to father countless children, it's the thrill of the possibility that makes his balls tingle. Covering a fertile egg with his virile seed is a primal instinct after all.

Sam was born one month ago today, a beautiful baby boy that instantly became the center of Tom and Emma's world. But the past 8 months since they discovered Emma was pregnant were difficult.

Tom and Emma decided to tell Laura together. They knew it would be painful for her to hear this, her husband of over 20 years, her high school sweetheart, had knocked up her little sister. But she deserved to know the truth, and sure enough, she was as devastated as they knew she would be. They also came clean about how they felt about each other. No more sneaking around hiding their true relationship. They needed to move on, one way or another.

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For a while it looked like our marriage wasn't going to last. We stayed living together, but we drifted apart. We even stopped having sex. Our intimacy has always been at the core of our relationship. Down through the years, no matter what disagreement, argument, or any relationship troubles we went through like any married couple, we always had sex to fall back on, it was like our bind. But after Laura found out about the pregnancy, that was lost for the first time in our marriage. I had nobody to blame only myself, I hurt her deeply.

I love my wife more than life itself, I couldn't lose her. But I also couldn't deny my feelings for Emma. Being equally in love with two sisters is complicated. Thankfully, through time Laura started to come back to me. It took a lot of work, and more forgiveness than any wife should have to offer her husband, but she found it in her heart to move past what had happened. The fact she held on to her love for me though everything is something I can never fully make up to her.

I had a feeling we could possibly make it through when one night while I was sleeping in our spare room, Laura came to me. She said nothing, but climbed on top of me and we had sex for the first time in over 6 months. When she was done, she slid off and returned to her bedroom. Not a word was spoken.

I didn't want to push it though, and in the end I didn't need to. Her late night visits became more frequent, and one night after we fucked, she even fell asleep in the spare room beside me.

We started talking more too. She started to ask me about my day at work again. She would even sit and watch TV with me, just the two of us. The ice was starting to melt.

The kids didn't seem to be overly bothered about the whole thing. Both of them told me I fucked up, and they weren't happy about me hurting their mother. But when the news sank in, they seemed genuinely excited about having a new half-brother (we decided to find out the gender of the baby at one of our consultations). Well, half-brother and cousin actually, all rolled into one! Yeah, a bit fucked up I guess.

Emma's husband Jack took the news much better than we expected. He was pissed, don't get me wrong, but he seemed more defeated than angry. I think he already knew how Emma and I felt about each other. He's not blind, I had been hanging around their house quite a bit. He and Emma are going to stay together. It sickens me with jealously, knowing Emma has a husband she still cares for, even if it is deep down, but we all have to make concessions here. They have three young kids of their own to think about, so I can't blame them for trying to work on their marriage for the sake of the kids if nothing else.

Eventually, not long before Emma's due date, Laura and I had a full and frank "clear the air" talk.

"You really hurt me Tom. I don't mean getting Emma pregnant, these things happen when you have sex. You both screwed up there. I'm talking about you having real feelings for her. Jesus Tom, was it not enough to be able to just fuck her whenever you want. Why did you have you go and fall in love. With my sister!" Laura said, teh volume of her voice increasing with each word.

"I know Laura. I've betrayed you. We both have. But we don't want to live a lie either. We had to tell you how we felt about each other. I didn't think it was possible to love two people equally," I replied.

"Oh, so she's my equal in your eyes now! We've been together for 23 years for Christ's sake. Does that count for nothing? And you've been screwing her for what, a year? Give me a break," Laura spat the words out.

"That came out wrong. Of course the last 23 years count for something, I've loved every day of our time together. But I can't help my feelings for Emma. I'm talking about now, how I feel about both of you at this moment in time," I said calmly, trying to get her to understand.

"Look, you're going to have a baby very soon, and I'm going to be part of his life. He will be my nephew, and my step-son. God, even saying it sounds weird," she said, and I couldn't disagree. "I'm not abandoning my family for anything. And it fucking kills me to say this," then she hesitates, "but I still love you, even if you are a piece of shit."

"So, what are you saying?" I asked tentatively.

"I'm saying we'll get through this. Part of me wishes I didn't still love you, but I do. So I'm not losing you," she said.

"And what about how I feel about Emma?" I risked asking.

"If I have to share you with her....." she said, and pauses for a few seconds, "then so be it."

With that, she walked out of the room. She probably couldn't bare to look at me any longer. That must have been difficult for her to do, to draw a line in the sand like that and begin moving on.

I hid it well, but I was dancing inside. I couldn't believe my luck.

I called Emma to tell her what Laura said. She didn't seem as enthusiastic as me. Well, she was about to pop any day now, so maybe that's understandable.

I felt like celebrating, and what better way than my favorite activity. I decided that I probably shouldn't push my luck with Laura just yet. So instead I made my way down to Claire's room.

"Hey baby," I said as I knocked and opened my daughter's bedroom door. "You up to much?"

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She was lying on her bed reading a book, wearing a nice little short baby pink colored dress I love seeing her in. Her bare legs looked so good, I could lick every inch of them. She just smiled up at me and left her book down beside her on the mattress. Then she spread her legs.

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Back when Emma told me she was pregnant, both of us went into a state of self loathing. I was nauseous whenever I thought about the situation we found ourselves in, which was more or less every minute of the day. How could we have let this happen. How the fuck could we have let both things happen. Falling for each other like we had, we could maybe manage to keep to ourselves. But it's a different story with a baby. We needed to come clean.

Gradually, we found a way through this dark time, mainly by being there for each other. Then we realized that we were finding more and more things to be positive about every day. We loved each other, and that's a precious thing. Once we had that, we could deal with anything, even a baby.

To say our sex life went up another level would not be doing it justice. We simply couldn't get enough of each other. We toned down the rough sex of course, but there was still so much unspeakable things we could get up to when the mood struck, to keep Emma's filthy cravings satisfied. And equally mine I guess, if I'm being totally honest.

Then when Emma started to show, it was a major turn on for me, especially as she got into her third trimester. I would regularly pull out just in time to spray my load all over her massive belly. She loved it too, and would moan with pleasure as she rubbed my thick cream into her stretched skin.

When Sam arrived our life was turned upside down all over again. But he made us happier than I could have imagined. I practically moved in to Emma's house for the first month after he was born. Everyone understood, it was the right thing to do, even if it was kind of weird for both families. Emma and I needed time together with Sam to bond. We have our own, new family to prioritize now.

Three weeks after giving birth, Emma was ready to fuck again. I've been patiently waiting to get stuck into her, and get my hands on her now huge milk filled tits. Her pussy is looser than ever after yet another baby being squeezed out. She took my baseball bat sized pole with ease that first night back in action, her big gaping hole dripping wet. Normal service has resumed.

I love having a woman whose cunt feels like it was made for my oversized manhood. She can tighten it up when she wants to grip onto my cock and milk a load out of me, but in its relaxed state she can take a good fisting with relative ease.

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Despite my protestations, Emma insisted on having a paternity test done as soon as Sam was born, just to be certain that I'm his biological father. The test came back positive, as we both expected it would be. I was relieved, I had gotten so used to assuming I'm the father since she got pregnant, I would have been devastated if he wasn't mine. Also, I would have been inconsolable if some other man had impregnated my Emma.

Having two families takes a lot of getting used to. Trying to juggle my time between both is difficult and was initially stressful, but with one hectic month of this new arrangement under my belt, things are starting to settle down. We have a routine that's working for now. On weekdays, I stay with Emma most nights, and leave for work from her house. When I finish work I go home to my own house, have dinner and spend a few hours quality time with Laura, Ben, Claire, and of course the walking erection generator Carla. I swear, she's getting hotter every time I see her.

Sam is usually asleep when I get to Emma's, but I can help with the nighttime wakes, and then I get to spend an hour or two with them before I leave for work the next morning.

The weekends are a 50/50 split. I spend Friday night at home with Laura, and then usually it's all day Saturday and Saturday night with Emma. I finish the weekend off back with Laura on Sunday, and then head to work from home on Monday morning. Tiring even thinking about it, but it's working OK for now.

Going to work is like a vacation. I think a lot of men with small kids would secretly agree with me.

My sex life has taken a bit of a hit unfortunately. Some days I just don't have the energy for a proper hard fuck. But I still need my relief, so I'm on a blowjob buzz at the moment. Carla is my "go to" when I'm at home these days, she's turned into a super little cocksucker. I still get my usual throat fuck from Jean in the office, and that generally keeps me satisfied until I get to bed. I like saving my limited energy for my wife and her sister, and Claire of course. I never go too long without burying myself in between my daughter's sexy legs.

I take comfort in still remembering what it was like when Ben and Claire were newborns, the hard times don't last forever.

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"I still can't believe Dad knocked up aunt Emma," Ben says to his sister Claire as they sit watching TV.

"OK, I know you're a bit slow," Claire says back mocking Ben, "but our little half-brother is a month old already. Or have you not caught up yet."

"Yeah, I know. I just mean it's a bit weird. It doesn't feel like I have a new brother," Ben says.

"Well he's amazing. I love him so much already," Claire says smiling. "But I miss Dad when he's not here. He spends so much time in Emma's house. I miss how things used to be."

"You miss his big cock you mean," Ben says, play kicking her knee with the sole of his foot from where he's sitting on the sofa.

"No! Well......not just that," Claire replies, admitting that Ben might not be totally wrong.

"I guess you're right though. Maybe I should spend a little time with Sam, get to know him. He is our brother I guess," Ben says as his contemplates their new family dynamic.

"Good, about time," answers Claire. "You should go over there today."

It's Saturday morning, and Carla has gone to visit her parents for the day. Ben is at a kind of loose end anyway. Jean's gone on vacation with her husband, so he can't kill a few hours over at hers either. Why not go see the little guy. Poor kid, not his fault he's been born into a messed up situation like this.

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"Hey Ben, great to see you," Dad says as he greets me when he opens the front door of aunt Emma's house. "I didn't know you were coming over."

So strange seeing Dad welcome me into Emma's home.

"Yeah, I just decided to call over last minute. I hope Emma doesn't mind," says Ben.

"Of course not, she'll be delighted to see you. Come on in," Dad says. "Emma and Sam are upstairs, go on up to them."

"Is that OK?" I ask.

"Of course. It's nice you're making an effort to see him," Dad says, and he seems genuinely happy I'm here.

When I walk up the stairs I see Emma's back through the open bedroom door as she sits on the side of her bed. As I get closer, I notice that's she's holding the baby to her chest. Holy shit, she's breastfeeding him!

"Eh, hi aunt Emma," I mumble, feeling really awkward.

"Oh hey Ben," she replies as she swivels her head around looking over her shoulder. "I didn't hear you come in."

I smile at her nervously, not sure where to look. I feel like I've just interrupted something private. But Emma doesn't seem too bothered.

"Um, I'm sorry, I shouldn't have barged in," I say, nodding down at her chest.

"It's OK, I don't mind you seeing me feeding him," Emma says, picking up on my awkwardness. "Anyway, we're juuuust about done."

And with that, she unlatches him and lifts the little dude up onto her shoulder, giving him a couple of gentle pats on the back. Winding him I guess? I'm fucked if I know what needs to be done with a baby!

Then suddenly, my aunt stands up and walks around the end of the bed. As she turns, my eyes immediately look down, and her breast is still uncovered. She has Sam up on her other shoulder, so I see everything. My mouth falls open when I see her tits, they are fucking huge.

"Oh come on, I think we're past that Ben, after what happened before, remember," she whispers, careful not disturb Sam as she walks past me towards the bassinet, then lowers the little guy down into it. My aunt is referring to the time Dad invited me to join in with them one day Emma was over at our house. I still think about it regularly. She gave me a blowjob so good I didn't think it was even possible, and then I had sex with her from behind in our sitting room. I couldn't believe my luck at getting to be with her like that.

Also, that day was the first time I ever did anything with Mom, sexually I mean. She made me cum into her mouth instead of my aunt, for fear of knocking her up. She didn't want me to just shoot it anywhere and ruin the furniture either, so she offered me her mouth instead. Maybe Dad should have done the same, I think, then immediately regret it when I look over at my little brother.

Aunt Emma looks amazing, even with a little baby weight from the pregnancy around her belly. But her tits have ballooned in size, which I assume is because of the breastfeeding.

This is going to sound weird, but seeing Emma's big tit hang out like this, it's giving me a massive urge to suck on her nipple and drink from her too. That's sick Ben, I think inwardly, and shake off the urge. But when she turns back around from the bassinet I can't take my eyes off her chest, it's making me seriously horny.

Emma looks down at my bulging shorts and just stands there. Why didn't I wear something better at holding my cock down, I didn't even think that seeing Emma would turn me on. So fucking stupid, of course she would turn me on, she's had that effect on me for as long as I've noticed girls.

"Really Ben?" she whispers, careful not to wake Sam who has fallen asleep as soon as she put him down, then she tuts and rolls her eyes. She gestures for me to follow her out of the room.

I walk behind her towards another bedroom next to her's, and Dad's I guess, and I notice she's fixing her top back into place covering herself up in the process. I can't help looking down at her perfect firm ass in her tight black yoga pants as I follow her. Thank God she always seems to be wearing these.

"I'm so sorry aunt Emma, I really didn't mean to get hard," I say apologetically when we're in the other room.

"Look, it's OK if you want to use me again. We've already crossed that line, and you haven't been pestering me for sex since then or anything," Emma says, seemingly willing to let me have her again, even if she doesn't seem very enthusiastic about it. Then she pauses. "I know being with your aunt might be a fantasy of yours."

"Well.... eh, yeah. I mean..... um, it is, like look at you," I stutter my words out. "It's not that though. Well, yeah it is that too, um, but it's something else as well." I can't even form proper sentences I'm so nervous. Am I really going to ask her this?

"OK, well what is it then?" she asks, and I can tell she's losing her patience with me.

"Can I suck your tits?" I finally blurt out. "I want to taste your milk?" Fuck, am I really saying these words. Sucking milk from a woman's breasts has never even entered my mind before I came here today. What the shit is wrong with me.

She says nothing for a minute, and I'm getting more uncomfortable by the second. But my cock is still throbbing regardless.

"Fine," Emma finally says. "I can see you must really like that idea," as she drops her gaze down to my tent.

"I don't know, I hadn't even thought about it before. Just seeing your....breast, and how big it is. I dunno, it's amazing," I say quietly.

"Well, I do need to drain one a little, so I guess you'll be helping me out too," my aunt says. She doesn't seem aroused by this in the slightest. "Come on so, let's get this over with. And out of your system hopefully."

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