(There is a prequel for this story called "The Coming". You don't need to read it to understand this story but it is recommended.)
Part 1: Rebel Uprising
Eleven months ago, prominent scientist Dr. Timothy Andrews discovered a wormhole, a space gate close to Earth that promised a new era in space exploration. But before the experiments began an alien force used the gate to invade the planet, spreading its domain like an unstoppable virus. Humankind was doomed as people were mind-controlled and transformed to serve the invaders.
Only small groups of free humans formed the resistance. But they were also falling quickly under the alien's domain; until today, when an incident in one of these groups offered some hope to an otherwise dark future. This is their story...
Gina Bianco, a former police detective, was the leader of a small rebel group in the north side of the city. They had set camp inside a large, underground warehouse that had access to the city's sewer system. One of the motion sensors had been triggered near the base and Gina went to investigate.
She soon spotted the intruder. Some sort of reptilian humanoid, a type of alien that she hadn't seen before. She silently followed him, waiting for the best chance to kill him.
"It went this way. Stay behind me," Gina whispered to Megan, the second in command in their small group, "Don't make any noise."
Seeing this strange creature, Gina remembered her first encounter with an alien, almost a year ago, maybe the first one to arrive to the planet. She tried to warn her boss about the danger of an upcoming invasion but nobody believed her. When they did, it was too late.
"Can you see it?" Megan asked with a hushed voice.
"Barely. I've never seen a creature like this one. I just need a clear shot..." Gina said.
Then, in the blink of an eye, the creature was gone. "Shit! Where did it go? I lost it!" Gina exclaimed.
They kept walking until they reached a dark vent that lead upward. "It must had escaped through this vent."
Megan heard a faint noise behind her and as she turned her head..."Eh?! Oh my God! It's behind us!"
SMACK! The creature knocked Megan unconscious.
Gina, gun in hand, tried to shot at it. But with a swift move of his hand, the humanoid disarmed her in a fraction of a second and pushed the astonished woman to the ground. Realizing that she had no chance to escape, Gina pulled a small knife from her clothes and pressed it against her own throat!
"I will die before you make me a slave!"
But the beast moved its tail like a wipe and before she knew it, the knife was flying away from her. Then the reptilian pulled her up and spoke... "I am not here to make you a slave. I am here to help you."
"You can speak?" Gina asked with wide open eyes.
"Yes. We have no time to waist. We have taken control of one of the teleports. Come with me."
Without waiting for a response, the creature lifted Gina onto his shoulder and carried her towards the teleport.
"Wait... what is going on?! Let go of me!"
The creature took Gina through a series of dark tunnels and then everything became blurry around her. Moments later, they were transported to a large, strange room, filled with electronic equipment. Gina realized that all her clothing had disappeared during the teleportation.
What the fuck! I am naked!
She thought, covering her breasts.
The creature started talking again. Gina was still baffled not only by the fact that she had just being instantly transported to another place but also by the ability of these creatures to speak her own language. The words sound very weird but it was clear enough to understand what he was saying.
"Your enemies and our enemies are the same. We want to propose a deal," the reptilian said.
Gina's mind was in overdrive, trying to understand her situation,
'Ok, be strong. Focus. I might get out if this alive.'
Then she finally spoke "Who are you? What kind of deal?"
"If you help us, we will help you eliminate your enemy and keep your planet."
The creature proceeded to explain. Their species have being struggling for a long time with a virus that made their females infertile. They had spent centuries working on molecular genetics trying to fix the problem with little success. During their long research, they became aware that other species could be used for their own reproduction and began an endless search across the universe for such species. It was during these travels that they learned about the existence of the Menglers alliance, a group of aggressive civilizations that worked together to take control of whatever planet they could find using the universal space portals. The Menglers specialized in controlling cognizant minds and that was their main weapon, as Gina already knew very well.
The reptilian ended his explanation by saying, "The Menglers alliance always work in a hierarchical structure. One mind controls the ones below it and so on. We can help you eliminate the mind that controls this planet and you will be free. Thousands of years may pass before they come to your planet again."
Gina, still a little shook up but truly interested, asked, "What do you want from us in return for your help?"
"We want your help in our reproduction."
"What if we refuse? What if we can't do it?"
"Then your entire civilization will become nothing more than a group of drones at the Menglers's service. Your weapons are useless against their mind-controlling power."
Gina thought about it for a moment. All the information was hard to process that she knew that this strange creature was right. They were losing the battle with the invaders and it was just a matter of time before there was no one left with a mind of its own.
Gina looked up at the reptilian while assessing the proposal.
Maybe this is just a trick. Maybe they are working together with the Menglers or whatever they are called.... But the creature had me at his mercy back in the sewer. He could have kill me or transform me. Why go through all this trouble if this wasn't true?
She concluded that the smart choice, her only choice, was to play along. "Ok, what do I have to do?"
The reptilian extended his hand to her and opened it up saying, "Put this inside you. It will adapt your body for the test."
"Test?! What test?" Gina exclaimed.
Her whole body shivered with fear as she looked at the writhing form in the reptilian's hand. It was some sort of worm, about thirty centimeters long and four centimeters wide. Green and ugly, with a viscous, rugged skin that shimmered with the overhead light.
"The reproduction test," was the creature's short answer.
Gina wished all of this was just a bad dream but it wasn't. It was real. Very real.
Still lying on the floor since the teleportation, Gina recoiled back, spreading her thighs slightly in the process. The creature saw this as an invitation and placed the worm between her legs, a couple of centimeters from her pussy.
Gina started to have second thoughts about the whole thing and kept retreating, but the reptilian grabbed her shoulder, keeping her in place.
Sensing her body heat, the worm slithered swiftly across the floor and penetrated halfway into Gina's pussy before she could do anything to prevent it.
"Uggh! No! Take it off!"
The worm started to release a bundle of chemicals that merged with Gina's body at a cellular level. This was not a natural organism. It had been engineered for this specific purpose and the astounded woman felt the changes immediately. An inexplicable arousal spread throughout Gina's body as her insides shifted and changed according to the new genetic instructions.
While Gina twitched on the floor, the reptilian watched the rest of the worm disappear inside of her body. His cock was already enlarging, getting ready for the feast.
As the seconds passed, Gina's nipples swelled and her pussy tingled with increasing intensity until it became almost unbearable. She was not scare of hesitant about all this anymore. Her fear had been replaced by unbridled excitement that overwhelmed her mind.
Meanwhile, the reptilian's phallus grew even larger, reaching almost forty centimeters long with the girth of Gina's forearm.
In a matter of minutes, it became too much for Gina and she exploded in a powerful orgasm. Her stiff legs trembled rapidly while blissful waves of ecstasy traveled back and forth across her shuddering body making her jolt without control.
When Gina came back to her senses, she was not herself anymore. There was an insistent itch in her pussy that heralded an unavoidable urgency to have sex. Everything else was irrelevant. She wanted to fuck anybody, or anything...
The creature stepped forward presenting its enormous cock to the desperate woman. Gina sat up and caressed the large member with willing disposition. It didn't occur to her that his cock may not even fit inside of her slim body.
His cock is so big,