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Survival of the Fittest Ch. 01

By: CeliaSpringfield



Author's Note: I am not well-educated on the matters of time travel or time machines. The beginning is simply meant as an explanation as to why Marilla ended up in the past, and is not intended to be historically or scientifically accurate. 

This is a work of fiction. All characters and events are the product of the author's imagination. Any resemblance to real persons, living or dead, is entirely coincidental.

* 

It was the year 2010. Marilla Stephens, inventor and head of the recently founded Unofficial National Association of Active History (which consisted of one member, herself), was about to embark on her first journey into the past.

After years of tireless research, effort, and money, Marilla had finally accomplished what had previously been only dreamed about: the construction of a real, working time machine.

Or so she hoped. Marilla had yet to actually test the product. Not wanting to use any other human guinea pigs out of fear they would try and hog the credit, she was determined to do all the testing herself. Besides, this way no one would get hurt.

Marilla had always been fascinated by evolution. She especially found human evolution exciting, and she had always wished that she could meet one of her prehistoric ancestors. She had vowed to herself that if she ever constructed a time machine, she would go back to the time when the first Homo sapiens emerged and view them firsthand.

Maybe I won't ever let anyone know about the time machine, she thought to herself as she climbed into the round, single-seat vehicle. Yeah, it'll be my little secret. I'll explore the vast fields of time, and keep all my great adventures to myself!  She set the date to 130,000 B.C., buckled herself in, and started the engine. Her last thought before she blacked out was, Even if I do something to negate my own existence, I will have no regrets.

When Marilla opened her eyes, the first thing she noticed was that she was no longer inside the time machine. The walls surrounding her appeared to be made of stone, possibly a cave of some sort. It was dark, but not too dark.

How long have I been unconscious? she wondered. Did the test run work? Did I make it to the past?

The second thing she realized was that she was very cold and her head was throbbing with a slight pain. Had she hit her head when she landed? Why couldn't she remember anything?

She tried to sit up, and then realized her hands were tied. She'd been captured! But by whom?

As she felt a tingling feeling brush between her legs, she suddenly realized she was naked.

Okay, I'm bound and naked, she thought to herself. I think I have a feeling as to what's going to happen next.

As her eyes adjusted to the dark, she realized she was not alone. Rather, there were several cavemen standing around her—Homo neandertalensis, she guessed—all of whom were sporting hard-ons the size of Pringles cans. The tingling feeling between her legs was the breeze from one of the Neanderthals kneeling down in front of her. As she gave him the once-over, she noted his bulging muscles and gorgeous six-pack. None of the men she'd slept with had looked this great. And his face didn't look that bad; his nose was a little flat, but pretty nice overall. She felt herself growing wet as she anticipated what was about to happen next.

Without any sort of ceremony, the caveman in front of her grunted and stuck two fat fingers into her pussy. She moaned loudly, hoping it would encourage him to stick that big prehistoric dick inside.

Instead, however, he simply began to pump his fingers in and out of her, grunting rhythmically as he did so. This seemed to encourage the other men, and they all began to paw her almost frantically, one cupping her breasts, another reaching under her to grope her ass. Her legs were grabbed and pulled further apart by two more men who mercilessly squeezed her thighs.

Never had she felt so many hands touching her intimate areas at once. She felt herself getting more and more aroused and knew it wouldn't be long before she reached orgasm.

Before she could come, however, she heard a loud sound behind her. She strained her neck, trying to see past all the bodies, and her eyes widened upon seeing an enormous penis right above her face.

"Oh, God…" she moaned, realizing what she was going to be made to do. Before she could say another word, the giant cock lowered itself into her open mouth.

"Mmmmmf!" Marilla's tiny mouth was stretched to the limit, and the giant hunk of man meat began thrusting mercilessly down her throat, making her gag. She was thankful to be able to breathe through her nose as the caveman cock invaded every inch of her oral cavity.

Marilla became vaguely aware of the other men's hands leaving her body except for the first man, who continued to finger her. Suddenly, she felt something warm and wet on her slit, and realized she was about to be eaten out. "Mmmmrrrmmm!" she mumbled and pushed her hips toward the man's mouth.

The unseen tongue pushed between her labia and began to slowly up and down. "Ohhhh, yes," she sighed blissfully—or tried to, then remembered the giant dick in her mouth and began to suck away at it. She was good at giving head, or so she'd been told. The caveman seemed to think so, too, as she heard an umistakable grunt of pleasure.

Meanwhile, the fingers had finally found her G-spot, and the tongue was now brushing against her clit. She squealed and knew she would be coming quickly. All she needed now was…

As the mouth of the man eating her began to suck away at her clit, she felt the other hand of the man fingering her insert a finger into her ass.

That was all the stimulus it took. Marilla came loud and hard, her juices gushing out all over the men's face and hands. Her cries produced a vibrating effect to the man fucking her face, and he came as well, filling her mouth with his hot seed so that it overflowed out of her mouth and trickled down her face. She sputtered and coughed, but swallowed what she could. After all, how often did one get the chance to taste caveman cum?

She lay there, panting, spent by her amazing orgasm. Even so, she was slightly disappointed that none of them had…

Almost as if he could read her mind, one of the men began pressing his massive cock against her vaginal opening. It was enormous; far bigger than any she'd ever taken. This was going to be a tight fit, and damned if she wasn't going to enjoy it.

The man pushed harder against her, and she groaned, partly from pain, but mostly from the excitement of finally getting to be fucked by a real man. "Uhhhh…Oh, God…" She pushed her hips up to indicate she wanted to be pounded like there was no tomorrow.

The caveman clearly understood what she wanted. He gripped her hips with his big hands and entered her with one quick thrust. She screamed, but he seemed to take no heed. He slid himself in and out of her, each time harder, each time faster, each time grunting more loudly. This went on for a few minutes, and then he pulled out and came all over her pussy and stomach.

Marilla lay on her back, twitching. It had all happened so fast; she hadn't been able to come, and her pussy was aching from the raw pounding it had just received.

Before she could ponder this any further, she felt another pair of hands grip her waist. "No…" she moaned as the second man turned her over. "Just let me…rest a bit…"

She knew it was useless; there was no way he could understand what she was saying. She felt him lift up her buttocks so that she was on her knees but not on her hands. It was the most degrading position…and her personal favorite.

"You wanna fuck me like this, big man?" she purred, suddenly feeling up for another good dicking. "Go ahead—I'm ready." 

Survival of the Fittest Ch. 02



The Neanderthal shoved his humongous cock inside of Marilla, and she gasped. If at all possible, it was bigger than the previous one. As he began fucking her, she moaned lustfully, letting everyone know how much she was enjoying it. 

The man who had just finished fucking her picked her up by the hair. She let out a piercing shriek, partly out of pain, partly out of anger.

"Oh, fuck, that hurts! Stop it! Let go of my hair, you big stupid lump!"

The caveman grunted and used his free hand to gesture to one of his companions. Meanwhile, the man inside of her gripped her waist more tightly, sinking his fingernails into her skin.

"Owwww!" she howled, tears stinging her eyes. This was not fun anymore. "Stop it, you basta--mmmph!" She gagged as the other caveman's friend stuck three of his meaty fingers into her mouth, cutting off her protests. The one holding her by the hair made a funny sound—was that a laugh?—and began to roughly tug on her nipple with his other hand.

The man fingering her mouth reached to the side and produced a fistful of some kind of plant. Before Marilla even became aware of it, he shoved it in her face, rubbing it against her nose and forcing her to inhale its fragrance. The scent was extremely sharp, but not unpleasant, and for a moment she forgot the intense pain she was feeling.

However, she quickly became aware once again, and continued to struggle, hoping one of them would take pity on her. Instead, they simply laughed and continued to play with her body, the one fucking her rubbing her clitoris mercilessly.

The man with the plant took it away from her face, then nodded to the caveman holding her by the hair. She looked down at his cock, and groaned at its girth. It was bigger than the one she'd previously sucked off, and she doubted she could even get past the head. She tried to struggle, but was beginning to feel as if she were losing all her strength…Her eyelids were growing heavy as the enormous penis came closer to her mouth. She suddenly became more aware of the rhythmic thrusting of the other man's massive member, the throbbing dull, but the feeling intense.

The man in front stuck his fingers into her mouth, pushing all the way to the back of her throat. Then, he pulled them out and started pushing the head of his penis against her lips.

"Nnnnnn…!" she moaned, shaking her head, but it was no use. As her lips finally yielded to admit his penis, she realized what the plant had been.

Oh my God…I've been drugged!

She giggled a little as his cock slid past her lips and thrust all the way to the back of her mouth. This man was even more rough than the first, and he fucked her face mercilessly. Her entire body was now tingling. She felt someone's hand begin to finger her clitoris.

The man in her pussy came, then stood aside to admit a third. This man lay down on the flat surface and began to orally pleasure her. She moaned loudly as he tongue-fucked her, sticking his tongue as far into her hole as he could.

Oh God, she thought, he's eating the other man's cum out of me! Oh, God, that's so hot! Marilla had always wanted someone to do this, but none of her boyfriends would do it.

The man in front pulled away from her mouth and splashed his hot cum all over her face. It got in her hair and on her neck and chest. Shortly after, she reached a second orgasm, her entire body convulsing and covered in sweat.

She barely had time to recuperate before another man—they were all the same to her now—leaned onto her back and grabbed her breasts from behind. He began to massage them, gently at first, then gradually rougher, squeezing them so hard she wanted to scream. With his finger and thumb, he pinched and pulled on her nipples, leaning all the way forward so she could feel his throbbing erection against her backside. He continued to molest her sore, used breasts as he slowly pulled her back until they were both standing upright.

Finally, he let go with one hand and moved it down between her legs so he could begin fingering her pussy. He grunted and swirled his fingers inside of her, getting a generous amount of the other cavemen's cum and Marilla's own feminine juices.

At this point Marilla was feeling extremely weak, yet giddy at the same time. She loved being used and abused like this. She had always enjoyed being "forced" by her boyfriends (although it was really just roleplay). The drugs added a nice side effect of being completely helpless, and it enabled the Neanderthals to toss her about like a rag doll.

But she was completely taken by surprise when the caveman withdrew his fingers from her cunt and began to insert them into her asshole.

"Oh, no," she tried to say. "Not my ass…I can't take that monstrous cock you have…!" But due to the drugs, it only came out as garbled gibberish.

She moaned again as he added a third finger and began to spread them wide, making her get used to having her asshole invaded. It felt good, no doubt about that—and pretty soon she was begging to be impaled on his cock.

Her moans turned into screams as he began to shove his humongous cock inside her. She had never taken anything so big in her life. She pain was almost unbearable, but she grit her teeth and took it—she knew she would never get an opportunity like this again.

She continued to howl as the caveman slid his hard dick in and out of her, pounding her more mercilessly each time. Tears formed in her eyes as he gripped her hips more tightly, sinking his nails into her skin. Even so, she felt her own excitement rising, and she pushed back against his groin. The caveman clearly enjoyed this, and he began to pump in and out of her even harder and faster.

The two began to work together, trying to bring both themselves and each other to orgasm—and it worked. Marilla came first, and the caveman shortly after, the latter emitting grunts and shouts of delight. For Marilla, what pushed her over the edge was the mental image of what her ass must look like completely stretched out by the caveman's massive cock. She felt her love juice run out of her pussy and down her legs, mixing with her assailant's cum dripping out of her ass.

Finally, the caveman pulled out, causing her to collapse in a heap on the ground. Marilla panted, entirely spent by her various orgasms, her body aching from having been used by so many men. She was exhausted, and doubted she'd be able to walk right now, anyway. She started a bit as she felt the man behind her untie her bonds. He worked carefully, as though trying not to chafe her wrists. She smiled at the way he handled her body so gently. Clearly he cared about his women—now she thought about it, he and his men had made sure to bring her to orgasm as often as they could, thinking about her as much as they did about themselves.

The caveman said something to her. She did not understand, but his voice was gentle. She smiled up at him. "Thank you," she said.

***

After returning home, Marilla walked into her room to find a man under the covers. Somehow she wasn't surprised…after all, she knew that traveling to the past would change the present. Perhaps copulating with a Homo sapiens had caused the Homo neandertalensis to interbreed with other ones.

Wait…

"Welcome home, dear," the man greeted warmly. "How was work toda—Oh, my," he exclaimed when he saw Marilla was naked (she'd had the sense to wash in one of the ponds before returning to the present, but she hadn't been able to find her clothes).

Without a word, Marilla pounced on him, running her hands up and down his body and pushing her hips against his. If he's got Neanderthal blood in him, then he should have…

Once she felt his erection growing through the blankets, she pulled them aside to gaze upon his huge penis. Once ascertaining that it was at least as big as that of the last man who had fucked her, she shouted out, "THANK YOU, GOD!"

Her husband regarded her curiously. "You're acting awfully strange tonight, Marilla…"

"I'm just horny," Marilla murmured, and began to kiss him passionately.

Truly, going back in time was the best thing she'd ever done.

THE END