Paul had impregnated the woman, she was now invisible to him.
The sister was not yet pregnant. He took control and running a hand over her breast he stuck out hand to guide her to the tangled sheets, as if she were Queen stepping out of a horse drawn carriage.
Rachel thought that he would be dry or find her too short, boobs too small compared to her sister. However he was keener on her than her sister. Marcy stood fully nude and he didn't even look at her body.
Paul engulfed her body with his kissing her and letting his saliva go to work. It was a full mouthed kiss as she leaned back, hands free and naturally enjoyed it. Suddenly she pushed her dainty hand pushed his chest. Paul backed off.
She held his chiseled face in her hand.
"Forget safe sex." she could feel his cock "You're dangerous."
It took a second for the Parasite to go through the statement and determine what the woman meant, was she aware of what Paul was a host for? However it quickly determined that it was sex talk.
In a flurry he kissed her breasts and mouth.
Marcy was starting to get a grip on what had happened to her. Looking at herself in the mirror she had started running a bath. Using her hands to get her soaked hair back into order she was trying to look like she was okay. Like she was in charge. She had managed to get robe pulled over her shoulders. She pulled the silk on leaving bare section of skin that went down her mid-section and hairy bush.
Paul was entering Rachel like a jackhammer, his movements were measured and precise. Having tested his new body of the other woman.
Rachel was ready for this and had seen what this man had done to her sister. However he slipped into her she gasped.
"Ah!"
Her legs wrapped around his waist. He thrust again. She felt the muscles ripping across his back.
"OH MY GOD!" burst from her as she wrapped her hands around his shoulders and threw her head back not able to under this man's power.
Paul had realized that they expected noise, so with every thrust he put on the sound. Grunting with faked effort. It seemed to make this woman settle into a rhythm and that rhythm enhanced the chances of impregnation.
Rachel felt herself being nailed to the mattress just like what had happened to Marcy. But she didn't feel like she was being abuse.
"ARRGGUHH!!" Paul roared
He was now on top and between his body and the sheets that had slipped off to show his ass, only her hands could be seen gripping his back. She was a noisy one but she was enjoying it as she scream with pleasure.
He blew his load, not once but twice. Soaking her womb but just as he emptied his balls and fell onto the woman. His dick harden again and he had more semen to give than before. He had to buy time for the other woman.
Marcy heard her sister making noise like it was a porno but she was captivated by something else, her appearance. Her high cheekbones and hooded eyes made her look like ancient Greek goddess. Her long fingered hands traced her shoulders and went down to her breasts. She felt a nipple and it was sore to the touch. She felt her breasts and they felt fuller than before. Marcy cupped "her girls" and noticed that her breasts were now about a cup larger, with the nipples pointing off at an angle instead of directly ahead. Her other hand.
Marcy had failed by trying to fight Paul, to fight her own orgasm, her own climax. Because she the bitch had to be in charge. Rachel embraced the fucking she was here for. The Parasite rewarded her with nothing but feel good chemical, the blood on the sheets from her vagina, she was completely numb to pain, only feeling good emotions.
"YES!YES!YES!"
Something gray in color and moving like a headless snake burst from Paul's skin as he cummed for like the sixth time. It wasn't the sex, it was the message he was getting: he wasn't alone anymore. He was about to become a father. He was now pumping the woman on the bed with feel good chemicals to get her under control. He easily could have had a threesome. But he needed to handle not one but two test subjects. One was being handled by their baby. The tentacles that burst from across his body was there to physically restrain Two if she required. Her head was twisted to the side as multiple orgasms racked her body, Marcy had been pinned to the bed. Rachel was bound by pleasure, she couldn't leave even if Marcy or the police ordered her out.
Marcy's hands were still feeling her body. Something was wrong, her boobs felt wrong and so did her belly. She felt bloated when she spent hours in the gym on her body. She knew it better than her sister. Marcy felt a bump of fat around her belly button that did not belong and she tried to push it back in. Her unborn child reacted.
"Ah-huh!" she moaned
Doubling over in pain, like a knife in her gut. She knocked over various cheap perfume bottles that smashed on the ground. Her robe opened and she saw one nipple. It was ugly, brown like chocolate and swollen with blue veins.
Somewhere deep insider her Rachel managed to throw off the feel good hormones as she fought it like a desire to sleep. To see her lover had gray tentacles, more than a dozen, emerging from his body and having wrapped themselves around her!
She screamed.
Marcy had her hands wide as she looked on in horror at the fat growing inside her. Like she was being filled up with liquid like a water balloon. Her stomach expanded as she yelled in horror. The bump gurgled into a pot belly, Marcy's groan of horror providing the soundtrack. She felt something moving IN THERE, something had just kicked her. Her...baby? She tried to cradle her growing bump but her now D cup tits sloshed with milk, her ass had plumped out and as she tried to move her body had changed within minutes what took months. Her spine arched as her belly reached the size of a basketball.
Rachel was yelling for Marcy and then finally sobbing, thing that she was going to die. Paul kept roaring at her.
Marcy grabbed the towel rack as she wobbled with her center of gravity off balance as her belly and tits grew bigger. She could feel the milk sloshing around inside as she collapse into the corner of the room and expected her belly to rip open.
But it didn't.
Paul finally pulled out of Rachel when she hit the five month mark.