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Our story so far...Enraged when short-sighted bureaucrats put a halt to her investigations into genetic manipulation and biological enhancement, Dr. Jane Richardson takes the ultimate risk, deciding to use her new techniques on herself. Flat-chested and under-sexed, her goal is to achieve a body which matches current standards of feminine beauty.
She is successful beyond her wildest dreams. Her sex drive immediately increases, bringing her pleasure she never thought to experience. Her body begins to change as well, her hips and breasts gaining the inches denied her by the cruel laws of genetics.
One summer afternoon, she seduces her next-door neighbor, Jeff Sanders, a lonely widower. Happy at last, she thinks she has found the man she is destined to share her life with. Later that week, she sneaks over to his house, late at night, for a session of passionate lovemaking. When she returns the next morning, she finds her nieces, Colleen and Lillian, waiting for her. Somehow, they have guessed her secret.
Unwilling to deny her nieces the joy she has found, she agrees to use her technique on them. That same morning, Colleen and Lillian choose the women whose bodies they wish to emulate.
But the technique is not without its side effects. As the appetites for sex of the three women grow, emotional cross-currents begin to develop within the household. And when Jeff has to leave for an extended business trip, things threaten to spiral out of control. Late one night, after telling Zach their secret, Colleen seduces her half-brother. Shortly thereafter, Lillian and Jane become lovers, Lillian's bisexuality meeting its match in Jane's increased libido.
Out story resumes the following morning.
*****
"You did it, didn't you?" Colleen asked. The two younger women were alone at the breakfast table. She shook her head from side to side in mock-disgust. "You went to bed with Aunt Jane. I heard you two last night." She paused. "All last night."
Lillian smirked smugly as she bit into a cinnamon roll. "If you can screw our brother, I don't know why I can't fuck our aunt."
Colleen chewed and swallowed. "That's not the point," the older girl said. "She's nearly twenty years older than you. Don't you feel a little embarrassed to be taking advantage of her that way?"
"Come on," her dark haired half-sister snorted. "You know Aunt Jane. Do you seriously think she would do anything she didn't want to? I might have started it, but she didn't say no. You're just jealous. Now we both have a lover who's a member of the family. We're even again."
Colleen sighed. "Right. As if this was a competition."
Lillian's face softened. "I bet you could have her too, Colleen, if you wanted. For someone who'd never gone to bed with a woman before, Aunt Jane was a lot better than I expected. It was hot as hell. And I'm willing to share her with you. Or even a little more." Her gaze ran up and down her older half-sister's body in frank appreciation. Her eyes were openly inviting.
Colleen closed her eyes against an unexpected jolt of desire. While Lillian had come out to them as bisexual a few days ago, until recently Colleen had been secure in her own heterosexuality. But it seemed the treatment designed to increase their bust size affected more than just their boobs and their sex drive. She was beginning to find other women attractive.
Especially the two female members of her own family; her half-sister, Lillian, and her brilliant aunt, Jane Richardson.
She looked down at her chest. Until only a few short days ago, she had been resigned to a life as an A-cup. Now, the material of her tank top was stretched taut over a pair of breasts which were a more than respectable C-cup. And if Jane was right, they would continue to grow until they had reached the D-cup size she desired.
She shook her head and picked up her spoon, looking at the large bowl of oatmeal with faint distaste. In order to create the necessary fat to make her tits bigger, her body needed lots of fuel. Over the past several days, their appetites had increased to an almost ridiculous degree, until the girls were beginning to think that they had transformed into creatures whose only purpose was turning food into boobs. Jane had assured them the process would slow down eventually, but for now she was getting tired of her constant, gnawing hunger.
What she wasn't tired of, though, was the increased sexual hunger her transformation had brought on. She had always believed she had a more or less normal sex drive. But ever since she had started the treatment, her libido had increased to an almost frightening degree. It had first manifested in a desire to be constantly masturbating and touching herself. But that had soon switched to a rampaging need for a man. A man with a big hard cock who could fill her up, and scratch the tormenting itch in her pussy.
It was perhaps inevitable that her eyes should settle on her brother, Zachary. However, what had begun as a desperate ploy to stave off her carnal urges had transformed into something approaching true love. Since they had become intimate, they had spent almost all of their time together, and she was beginning to wonder what they would do in the fall, when he went back to school in Wisconsin, while she would still be in Minnesota.
"What?" she said, realizing that Lillian had asked her something. With a faint sense of surprise, she realized one of her hands had dipped below the waistband of the sheer panties she was wearing. She sighed contentedly as her finger gently rubbed her nubbin. It wasn't as if she needed to masturbate, she told herself hazily. It just felt so damn good. She wondered if Zach was awake yet, and whether he would be ready for a good-morning fuck. She thought he would. Since they had become lovers, they had not yet found the bottom of their desire for each other.
"I said if you and Zach ever get bored with each other, you are more than welcome to hop into bed with me," Lillian said. Her eyes twinkled with avarice. She had made no secret of the fact that she was jealous of her sister's relationship with her dark-haired twin.
"Don't be greedy," her aunt said, drifting into the kitchen, clad only in a sheer nightgown that was practically transparent. Her newly-acquired curves made Colleen's mouth water. "And Colleen, don't masturbate at the table, please. I don't really feel like cleaning your pussy-juice off the seats, no matter how good it smells."
Colleen gaped at her aunt while Lillian snickered. Pussy-juice? A few weeks ago, Jane would have dropped dead of mortification before she said something like that.
Of course, she told herself, a few weeks ago Dr. Jane Richardson had been undersexed, flat-chested, with narrow hips more like a teen-age boy than a woman, and as far as Colleen could tell, had never been in a serious romantic relationship in her life. Now she had a body out of a high-school boy's wet dream, with proud, jutting breasts that looked like they had been the happy recipients of cosmetic surgery, sweetly curving hips, a delectable rear end and a sinfully flat belly. And she was happily screwing their next-door neighbor, Jeff Sanders, who Lillian and Colleen had not-so-secretly drooled over ever since they realized that boys actually served a purpose. It was only Jeff's absence on an extended business trip which had driven her to Lillian's arms. Otherwise, Colleen suspected, they would be spending every free moment wearing out their mattresses.
"Yes, Aunt Jane," she said, withdrawing her hand from her panties with a faint sound of regret. To compensate for the loss, she spread her legs wide and ground her nether-lips down on the hard wood of the chair seat, trying to make the motions inconspicuous. A gleam in her aunt's eye hinted that she was not as successful as she might have hoped, but at least she didn't make any further comments.
"It tastes pretty good, too," Zach said, appearing through the open door that led downstairs to his bedroom.
"Zach!" she protested, her face flaming, but Lillian and Jane were giggling.
"Must run in the family, then," Lillian commented. "Because I can tell you that Aunt Jane tastes fantastic."
"How would you..." Zach blinked as the obvious sank in. "Oh. So now it's you two, huh?" He sat in a chair at the table, looking up at his aunt in bewilderment. "Good grief, Aunt Jane, what's going on? I can understand how your treatment is making your bodies change. I can even understand how your sex drive is increasing. But why are the three of you randy for each other?" He paused. "And me, too, I guess."
