"At last you guys came, I told Diana here about your aphrodisiacs and she got interested in them." Mrs Watson said when she saw Jen and Claire entering the store, she was apparently standing in front of the store owner at the counter while Lucy and Frieda looked at the products in the store.
"We were just checking out some final details, but now we're ready to show you our aphrodisiac pills." Jen said
"But we gave the last of the tested ones to Ms Watson on the beach, the ones we have are a new version that has an extra effect, but it hasn't been fully tested yet." Claire said
"And even? From what my old friend told me her product looks pretty good, but I don't know if I can put something that hasn't been tested for sale here." Diana said
"If so, we can test it right here. Wouldn't you mind giving some away as a free sample? If there are any problems I will be responsible for everything since this idea is mine." Mrs Watson said
"If so then we can give it a try. Give me some pills here for me to distribute." Diana said
Jen and Claire gave her the pills they had spit into the Van earlier and turned away, as a customer had just arrived at the store.
A woman who appeared to be in her early 20s approached Diana and said "Hi. I would like to make a big surprise for my boyfriend, what do you recommend?"
"I have something in mind, but before that would you be interested in trying a new product? I just got these aphrodisiac pills that those girls created, which my invisible friend here tried on and says are wonderful. Would you agree to try one?" Diana said
The woman thought a little before saying " I don't see the reason not to try it. You can give me one of those pills I take right now."
"Excellent." Diana said and handed the pill to the woman, who before taking it was interrupted by Claire, who said that maybe it would be better if she did it in a more spacious place and that she had no problem with getting dirty, with that Diana guided them through the back exit where there was a relatively large warehouse full of defective products or that were sales failures that the owners of all the nearby stores used to store their rejects before being discarded for good. As this type of product was not kept for a long time, there was plenty of room and it would be enough as long as no one grew to colossal proportions.
"Can I take it here now?" the woman asked and, receiving a positive response, she swallowed, put the pill in her mouth and swallowed it. She was going to ask how long it would take to take effect, but she soon realized it was working. "This aphrodisiac is really good. I'm already so horny, so much so that I'm sorely tempted to masturbate... Oohhhhh.... There's something weird under my skirt and it's growing." she said. She took her hand away from the front and it was possible to see that there was something big raising her skirt a little, which she lifted to see that she had a cock now and that it was getting bigger.
"Cool, your aphrodisiaco can grow a dick in a woman. What a formidable invention." Diana said
"And it's not over yet." Jen said
"Pay attention that it's not over yet." Claire said
"Will I still change more? Although it feels so good that I don't care what happens to me." the customer said as she stroked her dick as best she could, which was already three feet long and so thick that her two hands together didn't make a complete turn around it. Her panties tore all the way through as two ballsacks formed between her legs, each containing a single testicle, which got bigger and bigger and that wasn't all, they soon realized that both her hips, ass and legs were also growing. The woman's entire lower half grew absurdly and her body lengthened to make room for a new torso, a pair of arms and breasts much bigger than she already had. By the time all the growth was over, the sex shop customer had become a 20-foot tall giantess who had a 6-foot dick between her legs, a pair of mono-testicular ballsacks with her pussy in the space between them, and in place of the head of her giant body was her original top half completely unchanged.
"Wow babes, your new aphrodisiac is awesome transforming a person like this." Mrs Watson said, slowly stroking her wife between her legs.
Lucy and Frieda had also got a boner while watching the change, with that the old dog was bent down having her pussy in her face fucked by her teddy bear while stroking her dicknipples.
The shop's customer now caressed her dick with her giant hands while with the smaller ones she stimulated the nipples of her giant body breasts. "Aahhhh....this is too good. I can feel that something is about to explode in me... it's coming up my cock... I think I'm gonna cooooo..." The newly transformed woman reached orgasm and large amounts of cum gushed from her new cock in such quantities that it surprised those present, especially Diana and the newly transformed herself.
"This is amazing. You are true geniuses for creating something like this." Mrs Watson said
"And I feel so good, I loved it. And now, how long will it be before I get back to normal?" the customer asked
"In fact, you won't get back to normal after a while. The new effect of the pills causes them to cause a random transformation in the person who takes them, but the form taken after the transformation is permanent until another aphrodisiac pill is taken. Although small, there is a chance to get back to normal too." Jen said
"So I will stay like this for a while. Okay, no problem, I'm kind of liking my new self and this is really going to be a big surprise for my boyfriend. Look how huge I got, only my cock is the size of my boyfriend's entire body. I love these pills. How much do they cost? I will buy some." The woman said and bought it, then left without worrying that her giant new body was totally naked.