The Deal Pt. 04

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My Girlfriend's mother offers me a deal i can't turn down.
3.7k words
4.17
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Part 4 of the 4 part series

Updated 10/13/2023
Created 08/18/2023
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So, nearly two years ago now, I was dating Alice, a very pretty blonde haired girl I had known since high school, we started seeing each other in college, but by the time we graduated and were starting our adult lives, I really wanted to see other people.

It wasn't anything Alice had done, I just wanted to sow my wild oats, explore other worlds, you know, screw around a little.

However, her mother, Mrs Moore, found out, and then had sex with me, to persuade me stay with her daughter.

I know I should have just walked away, but Mrs Moore was a tall, skinny, blonde haired, middle aged woman, and very hot, and once she started to do things with me that Alice never did, I just couldn't say no.

That was two years ago, and every time I had doubts, every time I thought maybe, I could finally walk away from Alice, Mrs Moore would change my mind.

Now, Alice and I were married, we had our own place, and I was miserable, but at least it couldn't get any worse, right?!

Well, half way into our first year of marriage, Alice's parents invited us to their holiday home, down on the coast for the week.

As Alice and I had the time off from work anyway, it sounded like a good idea, so, we drove down to the little seaside town, where the holiday home was, and soon arrived at a beautiful, small white stone cottage, overlooking a sandy little beach.

We soon got settled in, and once we had, Alice's parents, or mom and dad as I was now allowed to call them, then suggested we go down to the beach for the afternoon, as it was a lovely sunny day.

So, we made our way down to the little sandy cove, before strolling towards the far end, where there were less people.

Then once we found a nice spot, Alice and her mom laid out some beach towels, before they pulled off their little sarongs, to reveal their little bikinis.

Alice looked pretty nice in her aqua blue outfit, but her mom looked even hotter, in her little white one.

I couldn't help but stare at her fit, skinny pale body, before they both then sat down, and once Alice's father and I joined them, for a while, we just lay there, enjoying the hot bright sunshine on our bodies.

However, as we relaxed, and tanned, Alice couldn't seem to stop looking over at a young family, further along the beach, and watched happily as a young boy and girl, eagerly built sandcastles.

Then, after a moment, she said cheerily to me "Isn't that lovely? Maybe we should start thinking about having a family?"

I instantly sat in stunned silence, I knew this day might come, I knew there was a good possibility, Alice would want kids one day, I had just hoped it wasn't yet!

Anyway, after a moment of awkward silence, Alice then asked again "Well, what do you think?"

I still couldn't bring myself to say anything, I knew what she wanted to hear, and I knew what her mother would want me to say, but right then, I just couldn't say the words.

"I... think, I'm going to go for a swim! Let's go for a swim! The water looks lovely!" I quickly blurted out in reply, before jumping up, and running swiftly towards the big blue waves.

I then ran into the ocean, dived into the water, and eagerly began swimming out to sea, hoping this conversation would be forgotten about, by the time I returned.

However, like a hungry white shark, sighting its prey, as I stopped for a moment, waist deep in the waves, I saw Alice's mother moving towards me, and a cold chill instantly ran down my back.

She firmly marched down the sandy beach, in her little white bikini, before she stepped into the water, and then continued towards me.

I stared back at her in horror, as she then approached me, and a few seconds later, she waded up to me, and then asked angrily "What are you doing? Do you know how childish you looked, running away like that!"

"I'm sorry! I just... didn't know what to say!" I replied unhappily back.

"You didn't know what to say?!" asked Alice's mother back, in disbelief.

"No. I panicked!" I replied back unhappily.

"Fine! Then let me tell you, what you should have said!" she then said firmly, before adding "You should have said 'Yes honey. I think starting a family would be a wonderful thing, and we should start, as soon as we can!'"

"But I'm not ready to be a father. I'm barely coping to be a husband!" I replied unhappily back.

Alice's mother then glared at me, before she moved closer to me, and then, under the water, grabbed hold of my bulge, through my swim shorts.

I instantly groaned in discomfort, as she gave it a little squeeze, before she then said "Well, you need to get ready Steve! Because you are going to get my wonderful daughter pregnant! You are going to be a dad! And you are going to do it, as soon as possible!"

"But, I don't want to be a dad, right now!" I replied back unhappily again.

Alice's mother took a deep angry breath, and then glanced back at the others still on the beach, before she then looked back at me, and said "Well, I don't care what you want Steve. My lovely beautiful daughter wants to be a mother, and she wants you to be the father, so, change your mind, or, I'll change it for you?"

I stared back at her, knowing she probably could, but, would she really risk trying to do it, in front of her husband, and her daughter.

So, bravely I replied back "No. I'll get Alice pregnant, when I'm ready!"

Alice's mother glared angrily at me again, clearly infuriated with my response, before she replied "Oh, you are so going to regret those words!"

I then felt her hand squeeze my bulge again, and I instantly groaned louder in discomfort, before she then started to caress and fondle it, and I then moaned in pleasure.

"Oh god! No." I then muttered in disbelief, that she was doing this, in such a public place.

"Oh yes, Steve!" she replied firmly back.

Her hand, hidden under the sea, continued to fondle me, and quickly I began to grow and get hard, until my firm dick was poking out of the top of my shorts.

As soon as mom could feel my boner standing to attention, her other hand joined in, and eagerly, she took hold of my stiff length, and pulled it free off my shorts.

Her soft wet hands then held my erection firmly, and as she gripped it tightly, she said "Change your mind Steve, or I'll do this! I'll make you fuck me in front of your wife, and your father in law! I will!"

"Please don't!" I replied nervously back.

"Then say you'll get my daughter pregnant?" Alice's mother asked back.

"I...I... I can't." I replied defiantly.

"Fine!" my mother in law then said firmly.

She then moved even closer to me, and under the water, I felt her move my hard cock, until I then felt her warm soft wet flesh touching it, and in an instant, my cockhead slipped inside of her.

"Oh yeah!" she then moaned softly, as the first few inches of my member slid inside her pussy.

Alice's mother then pushed more of my firm cock inside of her, and as she did that, she leant back in the water, and sighed happily.

As she then floated on her back, impaled on my dick, her long skinny legs lifted up and wrapped around my waist, holding me in place, before she looked directly at me, and started to steadily slide back and forth along my length.

"Oh fuck!" I moaned softly in pleasure, as I felt my mother in law's warm wet pussy, moving up and down my firm member.

"Yes, feel my little pussy! Doesn't it feel so good, sliding up and down your big dick? Don't you want to cum in it?" she then asked playfully, before adding "Now just imagine that's Alice, just imagine that's your beautiful young wife! Don't you want to cum in your wife?"

I groaned again in pleasure, because she was right, it did feel good, and I did want to cum in it, but, I also didn't want to be a father yet, so, I had to fight the urge to agree with her.

"But I'm not ready! I'm just not ready!" I pleaded back.

"You've said that before, and look how that turned out!" she replied back sarcastically, before she continued to slide back and forth along my hard member.

"Oh shit!" I then muttered in delight, as my wife's mother continued to ride me.

In that warm sunshine, in that warm sea, in front of so many people, and our family, my mother in law happily continued to plunge her little wet cunt onto my hard cock, and I have to admit, I was enjoying it, but at the same time, I knew she was only doing it, to try and convince me to impregnate her daughter.

"Oh Steve! Don't you see, having a child is a wonderful thing, and it would make Alice so happy! Don't you want to make you wife happy?" she then asked.

I groaned again in pleasure, as she kept fucking me, and then replied "I do. But... just not yet!"

Alice's mother immediately looked annoyed, and then started to move faster, up and down my firm dick, and pretty quickly, I began to feel her soft wet butt cheeks smacking into my balls.

"That's not good enough, Steve!" she then said firmly.

"You will get my daughter pregnant, and you will do it soon!" she then said firmly.

It was like she was trying to Jedi mind trick me or something, but, despite her best efforts, and the wonderful feeling of her mature wet pussy moving back and forth along my length, I continued to resist.

"No. I don't want to! We're still young, we have time!" I replied defiantly back.

However, my hot blonde mother in law wasn't going to accept that, and keenly she continued to move up and down on my thick member.

We were both now groaning and moaning in pleasure, and as we floated in waist high water, I wondered for a moment, what it must have looked like to everyone back on the beach.

But I didn't have time to check, because, with one last plunge, my mother in law sunk deep onto my cock, and then tossed her head back, and groaned happily.

"Oh, yeah! Oh... yeah!" she then exclaimed in deep pleasure.

For a moment, she then stayed like that, just floating on her back, while impaled heavily onto my firm dick, before she then sort of sat up a little, and with a grin, let herself slip off my hard length.

She then moved closer to me again, before she turned around, to face the other way, took hold of my hard member, and I felt her placing it back up, against her bald wet pussy again.

With one swift movement, she then sunk back onto my stiff cock, pushing most of my rigid dick deep inside of her, and once she was most of the way in, she leant forwards, like she was going to swim away, and then wrapped her skinny long legs around my waist again, locking herself in place.

Then steadily, she started to slide back and forth along my length again, as she did that, without realising it, I held onto her slim hips, and started to thrust into her.

"Oh yes! Yes! That's it Steve! That's it! Fuck me, just like you fuck Alice, and tell me you're going to get her pregnant!" she then said eagerly.

As I held onto her, and pumped my hard length into her warm wet hole, I started to enjoy it, and the thought of getting my young pretty wife pregnant, now didn't seem like to bad an idea.

I then realised what I was thinking, and snapping back to reality, I quickly replied "I can't! I need more time! Please, just let me have a couple more years!"

My mother in law then sighed unhappily, before she started to plunge harder onto my firm member, and instantly, we both moaned louder in delight.

As she rocked back and forth on my thrusting cock, she then said firmly "No Steve! No! My daughter wants to get pregnant now! So get her pregnant, now! Give her a baby! Give her a baby!"

I groaned in pleasure again, because Alice's mother's pussy felt so good sliding up and down my dick, and for a good few minutes, she continued to move against me, as I continued to thrust into her too.

"Just give her a baby, Steve! It's all she wants! Why are you resisting?" she then asked, still trying to convince me.

"Because..." I replied, before trying to think of some other good reason, than the ones I had already given.

My skinny hot mother in law sunk onto my firm dick again, and instantly I groaned in pleasure again, before finally saying "Because, I don't want to be a dad yet!"

"Not good enough, Steve!" replied Alice's mother firmly back.

She then plunged several more times onto my length, and each time was hard and fast, and I groaned heavily in delight, as she did.

Then, after one more swift slide along my member and back, she pulled herself off of it, before she turned around to face me again.

"You are going to give my daughter a baby, or I'm going to fuck you every day, until you do!" she then said firmly, before she moved closer to me, took hold of my hard cock again, and started to push it, back inside of her again.

My big round cockhead slid in between her little pink pussy lips, and into her warm wet cunt again, and once she had several inches of my firm young dick inside of her, she stared straight at me, and then started to rise up and down on my length.

With just the waves still, hiding what we were doing, my mother in law lifted up onto her tip toes, and then sunk back down onto my member, and as she did, she stared right at me with a serious look.

"Don't be selfish Steve! Just give my daughter what she wants! Make her happy! You said, you were going to make her happy!" Alice's mother then said, as she bobbed up and down on my cock.

"I know, but..." I replied, desperately trying to defy her still.

"But what Steve? What?" asked my mother in law firmly.

I groaned in pleasure again, as her warm wet pussy slid up my dick, and then back down it, before replying "I'm just not ready!"

I knew I had already said it, I knew it was a weak argument, but, it was all I had.

My hot skinny mother in law, in her soaking wet, almost transparent white bikini, glared back at me, and then as she continued bounce up and down on my length, she angrily said "Fine! Then you leave me no other choice!"

She then started to move faster, and as she plunged herself harder onto my thick rigid member, she said "If you won't get my daughter pregnant, you can get me pregnant, instead!"

"What?!" I exclaimed in horror.

"Yes! You heard me! I'm going to fuck you every day, until you get me pregnant, or, you can get my daughter pregnant, your choice Steve?" she then firmly, like that was the best options.

She then continued to side up and down my cock, lifting and dropping her hot slim body, and plunging her warm wet cunt repeatedly onto my hard dick, and as she did, I knew I was now stuck between a rock and a hard place.

"Give my daughter a baby, or I'm going to have your kid, Steve! I'm going to have your baby, and you're going to have to explain to everyone you know, how this happened, and when you do, they are going to laugh at you! They're all going to laugh at you, Steve!" Alice's mother then said mockingly, as she continued to bounce on my rigid length.

This was a nightmare, how did I get too, get my wife pregnant, or my mother in law? I just wanted to think clearly for a moment, have a second to try and sort things out in my head, but, my hot crazy mother in law wouldn't let me, and continued to rise and fall on my stiff member, which in turn, over ridded my sensible thoughts, with my basic urges and desires.

Alice's mother must have known this, and was clearly exploiting it, so she continued to slide her hot mature pussy up and down my cock, before saying angrily "This is what you want, isn't it? You want to get me pregnant! You want me, to have your baby, don't you?"

"No! I really don't!" I replied worriedly back.

"Then say you'll get my daughter pregnant? Say it!" Alice's mother cried back.

As she continued to bob firmly on my dick, I just couldn't think of any other thing to argue my case, and then realised, I really had no choice, it was Alice or her, and if I got my wife pregnant, at least it wouldn't ruin my whole life!

So, as my mother in law slid her warm wet cunt down my hard dick again, I groaned in pleasure, and then replied "Okay! Okay! I'll get Alice pregnant! I'll give her a baby! I'll give her a baby!"

"Yes!" Alice's mother cried ecstatically, having once again pummelled me into submission.

She then flopped back into the water triumphantly, and for a moment, she just floated in front of me, still impaled on my firm length.

Then grinning happily at me, she said "Now, show me you mean it!"

I sighed unhappily, because I knew exactly what she meant, before I held onto her skinny waist, and started to thrust into her.

"Yes! Yes! That's it! Fuck me until you cum! Convince me, you meant every word you said!" she then said gleefully.

Eager to get this over with, I began pumping into her firm and fast, and as I did, my mother in law moaned in delight, and then wrapped her long slim legs around my waist again.

We both then started to moan in pleasure, as I continued to thrust into Alice's mother, and as I did, I glanced over at the beach, wondering again, if they could see what we were doing.

Clearly they couldn't, because my wife and her father, continued to lay on their beach towels, in the hot sunshine, completely oblivious to what was going on, just a few hundred meters away in front of them.

So, I kept pumping keenly into my mother in law, and as I did, she continued to lay back in the water, and moan in delight.

"That's it Steve! That's it! Fuck me! Fuck me! Fuck me!" she exclaimed excitedly, before adding "Show me you meant it! Prove to me, you're going to give me a grandchild!"

She then groaned in pleasure again, as I continued to thrust rapidly into her, and as we kept fucking in that very public place, I began to feel my excitement start to grow.

Still thrusting hard and fast into her, I then groaned through gritted teeth as my pleasure built, before saying urgently "I'm nearly there!"

Alice's mother continued to float on her back, in front of me, and then replied with a grin "Yes! Cum for me Steve! Cum for me, and seal the deal!"

Eagerly I kept pumping rapidly into her, and as I slid into her warm wet hole hard, I felt my excitement build quicker.

"Oh shit!" I then groaned, knowing I wasn't going to last much longer.

"Yes! Yes! Yes! Cum Steve! Cum!" she then said eagerly.

I held onto her slim little waist tightly, and pounded my hard cock into her wildly, and as the waves splashed around us, I felt my balls start to tighten, and my excitement race towards its conclusion.

"Oh mom! I'm coming! I'm coming!" I then cried excitedly, as I kept fucking her.

"Do it! Do it Steve! Do it!" my mother in law replied excitedly.

Then I plunged into her once more, my balls smacked against her skinny arse, and I exploded.

With a mighty groan, I began spurting my load, straight into my mother in laws wet little pussy, and as I did, Alice's mother groaned happily, as she felt me filling her with my warm creamy seed.

"Oh yes Steve! Oh yes!" she exclaimed in delight, as she felt me cumming deep inside of her.

Excitedly, I continued to pump out my wet sticky man goo, filling her little mature cunt with it, and for several pleasurable seconds, I came happily inside my mother in law.

Then, with a relieved sigh, I finally stopped cumming, and relaxed, and as I did, Alice's mother sighed happily too, and then grinned triumphantly.

"So, we're in agreement, then? You are going to get Alice pregnant, as soon as possible, right?" she then asked.

"Yes. Okay." I replied, unhappily.

"Good boy! Good boy!" she replied with a smile, as she continued to float there, still impaled on my cock.

Eventually, she slid off of it, and a short time later, we re-joined the others, back on the beach, and from that night onwards, I did everything to get my pretty young wife pregnant, and, just a couple of weeks later, she was!

So, that was it, my demise was complete, I had gone from young and free, to married with child in just over two years, and even though I tried to blame Mrs Moore, really, it was my own fault.

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