It was a neat idea. Cassandra still had some tops from high school that she wished she could still wear—before the boob issue and all. But how the hell did it work? Maybe it was just an advertisement for a new clothing store, the sort that sold that “one size fits all” type. Those never fit her well.
Her thumb came down on the BEGIN button.
The message disappeared instantly, and a new window popped up with another notification in the center of the screen. LET’S GET STARTED, it said. TAKE A PHOTO OF AN ARTICLE OF CLOTHING. ONE WILL DO. MAKE SURE ALL OF IT IS IN THE FRAME.
That’s simple enough, Cassandra thought. If she was going to play along with this silly app, then at least it wasn’t making her do anything too difficult. Her mind returned to that boring 36B bra still in her dresser. She grabbed it and laid it out on the bed. Instead of backing out to the home screen and opening up the camera app from there, $FITu_ALPHAv.01 provided its own camera feature. Cassandra pressed her finger onto the yellow camera icon that was dancing back and forth. She focused on the bra and snapped a photo.
Now there was a new message. GOOD JOB! ALL THE WORK HAS BEEN DONE FOR YOU. Below that was more information. I’VE DETECTED A BRA IN THE FRAME. IT SHOULD BE CHANGING RIGHT NOW. GO AHEAD, TRY IT ON! IT’LL FIT PERFECTLY!
She clicked OK. No other message popped up. What was left must’ve been the basic interface of the app—a blue background with a yellow camera icon in the top-right corner. In the center was a list, with one item at the very top: BEIGE 36B FULL COVERAGE BRA.
Cassandra looked at the undergarment on her bed. Nothing about it had changed. From the sound of it, the app was supposed to change her clothes to fit, but how was that even possible? Magic? She laughed at that. Her perfect idea for shopping included ordering online and receiving clothes a second later through a pneumatic tube right in her bedroom. But this would’ve been a close second had it worked.
She picked up the bra. It was still the same, 36B tag and all. No, the cups weren’t bigger, though she checked. It wouldn’t hurt to try it on, just to make sure. Besides, it was always fun to see how big her boobs had grown. Cassandra removed her tank top and unclasped her 36DD bra with one hand. Her large breasts sagged with the sudden absence of comfy support. Compared to them, the beige bra looked laughably incapable. Regardless, she swung the straps over her shoulders and inserted the hooks into the proper holes around her back. All that was left to do was pull the cups over her breasts, which wouldn’t be—
Cassandra gasped. Her breasts were smaller!
Now wearing a set of scrubs, Brandi poked her head through the door. “Alright Cassandra, I’m out. Don’t wear Evan out. I still want some of—”
Cassandra turned and looked at her.
Brandi’s eyes jumped to her chest. “What happened to your boobs? They’re … smaller.”
“I know!”
“Uh … what’s going on?”
Cassandra swallowed hard. It had happened so quick that she barely felt it. When putting the bra on, her breasts had been the usual size. At some point after snapping the hooks in the back and positioning the cups just underneath them, her breasts had just shrunk. No warning. No pain. Nothing. They looked like they had been taken right off her eighteen-year-old body, perky and high on her chest, completely the opposite of the large, pendulous mounds just seconds ago.
And the bra fit perfectly. The app had been right. Sort of. Cassandra now had a 36B chest again.
Brandi was stunned. “How did you do that?”
“There’s an app … on my phone.” Cassandra couldn’t stop looking at her own chest. “It’s supposed to make clothes fit me better.”
“An app made your boobs shrink?”
“Well, I thought it was going to make the bra change, but yeah. I guess it did.”
“So, if you put on a bigger bra, will your boobs grow again?”
“I can find out.”
Cassandra removed the old bra and gazed at her chest again. She couldn’t believe how small and perky her boobs were! They were from a time before back aches and lopsided balance. She squeezed them just to make sure they were real. There were plenty of 36DD bras to choose from, but Cassandra suddenly had an idea and reached for one that was slightly bigger than the rest.
“A 36F?” Brandi asked. “That’s—”
“—bigger than what I was. I know.”
The 36F bra hadn’t seen much action. Once, almost a year ago, Cassandra’s breasts had swelled up to that size almost overnight. Fearing that it was another growth spurt, she went out and bought a larger bra. Fortunately, the swelling was only due to monthly fluctuations. Hey, big boobs were great, but only to a point!
She snapped a picture of it.
“What are you doing?” Brandi asked, checking the time on her phone.
“I have to take a picture first, so the app knows what I’m going to wear, or something,” she explained. It wasn’t exactly clear how it all worked. “Then it’s in the system.” She pointed to the list on the phone’s screen. There were two items now. “So now, when I put it on, my boobs are going to grow.”
“You sure?”
“Yeah, I think so.”
Cassandra donned the bra as if it were any other, pushing her arms through the appropriate holes, snapping the hooks, and positioning the cups over her smaller breasts. They looked like puny things inside an undergarment designed for a woman much larger up top than she was. But not for long. All Cassandra had to do was blink, and her breasts were suddenly filling the expansive cups, pushing outward and conforming to the round contour of the material without it being a smudge too tight or too loose.
As both girls gasped simultaneously, Cassandra’s breasts stopped growing. They now fit the 36F bra perfectly.
Brandi found her voice. “Do they stay like that if you take it off?”
Her smaller breasts had remained, so why not the larger ones? Cassandra confirmed the theory by removing the bra. Her new bigger breasts didn’t go away.
Brandi glanced at her phone again. “Hey, I have to run. Give me updates or something!” she hollered while exiting the room. The front door opened and closed.
Now completely alone, Cassandra placed her hands under those new massive mounds on her chest and heaved them up. Gosh, they were heavy! Shrinking down a few sizes had given her back a break, but now it was starting to ache again. Cassandra rarely went without a bra. She even slept with one. Now she needed one more than ever. Girls with big boobs lived in bras.
Evan showed up shortly before nine o’clock. Of course, Cassandra was eager to show him her latest discovery. She led him into her bedroom and tugged her top off—which was undoubtedly tighter around the front, straining across her massive breasts. Her boyfriend’s eyes went right to her deep cleavage. The jump from a 36DD to a 36F wasn’t a huge difference, but he definitely noticed something. His jaw hung open.
“You … got bigger?”
Cassandra giggled. “36F.” She showed him the tag to prove it. “Aren’t they great? And doesn’t this bra fit perfectly?”
“I don’t get it. I saw you two days ago. They weren’t that big then.”
“Nope.”
“And now they’re—”
“Yep.”
“But—”
“Magic, Evan. Real magic.”
That’s what Cassandra thought. There was no other way to explain it! It all had to do with the app on her phone, of course, but all that technology stuff couldn’t be responsible for making her breasts grow like that. If so, then plastic surgeons would be looking for new jobs. There had to be something else involved to make her boobs inflate—and deflate—with the press of a button. And it was all painless and quick.
She removed her bra, and the sandy-haired boy sitting across from her stared without saying a word. Big boobs always came with the attention, and Cassandra loved seeing him dumbfounded like this. She swung her chest back and forth, causing them to sway and bounce together.
“They’re different,�
�� he said.
“They’re bigger.”
“But not just that. Your breasts are fuller than before, and the same size. They’ve changed shape. Remember when your right one was always a little larger than the left, and hung further down?”
Cassandra looked at her bosom.
“Now they’re the same.”
He was right! She should’ve seen it from the start! Her right breast had always been the one most eager to grow back during puberty, and again during her mysterious growth spurt in her late teen years. It was the first one to alert her that she needed a new bra. But that was no longer the case. Both of them protruded from her chest at the same distance, and both looked identical in shape and curvature—at least according to her naked eye. The only explanation was the app and the 36F bra. Her breasts were designed to fit it, and each bra cup was the same. Therefore, her breasts were the same. It made sense.
“Part of the magic, I guess,” she said.
“Okay, what magic? Why are your boobs bigger than before?” Evan asked.
“Because of this.” She showed him her phone. “It’s some special app I got. It’s supposed to make clothes fit me, or so I thought. The wording was misleading. Instead, it changes my body to fit the clothes.” She pointed to the screen. “Those are the two bras I took pictures of. If I put them on, my body changes to fit.”
“No way.” He glanced at her breasts again, as if the answer lay in there somewhere, deep within the cleavage. “Show me.”
Cassandra did. She slipped on the beige 36B bra from before, and her boobs diminished in size within seconds, reforming into their high school counterparts. Once she had convinced Evan that they were entirely real by letting him touch them, she replaced the bra with the 36F one again. Fwoop! Her breasts exploded outward into the cups, fitting them perfectly once more. She removed the bra and groped them.
“Holy shit. Does it work with any clothing?”
“Probably. Underwear, shirts, pants, whatever. As long as I can take a picture of it. Crazy, huh?”
“Yeah.”
Cassandra noticed the bulge developing in Evan’s pants. It wasn’t a shock; he had seen quite a show so far. Tits were flat-out erotic no matter the size, though Cassandra preferred the ones she had now, the sort that were obviously too big to hold in her hands.
“Say, Evan, you want to stick your dick between these big fat titties?” She jiggled them. “There’s some room in there. Gonna be a tight fit though.”
“Do I ever.”
Cassandra loved performing tit-jobs. Only girls with a lot up top could do those. It was like an exclusive club. Evan pulled his cock out, and her hands flew to it immediately. He was already hard before she began stroking him. Her massive breasts swayed back and forth as her hand went up and down the shaft, the fingers of which wrapping tight around the head. Evan expressed his approval, though his eyes were on her tits more often than not.
“Is Brandi here?” he asked.
“She went to work.”
Evan wasn’t just Cassandra’s boyfriend; he was Brandi’s boyfriend too. The three of them had an “open” relationship. It worked out well most of the time, since Brandi worked the overnight shift at the hospital, and Cassandra had a babysitting job three days a week. Usually only one of them was home or awake, though occasionally they all got together for a threesome. Of the two girls, Cassandra’s tits got the most attention. They were definitely Evan’s favorite pair.
While Evan’s cock occupied Cassandra’s right hand, she squeezed her tits with her left. Her nipples didn’t stick out much when erect, but she still loved bringing her fingers across them, feeling how hard they became. That hadn’t changed with her larger breasts. The idea crossed her mind of keeping them forever, if such a thing was possible. She’d have to buy some more bras though. The one 36F in her dresser would be stretched and dirty after a few days of use, and Cassandra wasn’t about to go a day without wearing one. Her other bras might do temporarily—at the risk of ripping at any moment and breast-flesh spilling out.
Evan positioned himself on the edge of the bed with his legs spread. Cassandra knelt down and wrapped each of her massive breasts around his throbbing member, squeezing them together to form a tight grip in the middle. He groaned in approval as she bounced up and down on him. Pre-cum had begun to leak from the tip, and she bent her head over and lapped it up without pausing. The head of his cock looked ready to pop at any second, and she wanted it to happen all over her brand-new tits.
“Good?”
“Oh God.” Evan fell back to his elbows. “It’s incredible. Yeah, don’t stop whatever you’re doing. Fuck.”
Cassandra couldn’t believe how horny she was. Evan’s purplish cock, the bouncing up and down, her tits changing size—it all went straight to her loins. If a hand could be spared, she would’ve sent it down south to finger her increasingly damp folds, but a chest of this size needed two hands. She pressed forward, until Evan’s cock was in the deepest part of that valley between her breasts, the head of it poking out right against her collarbone. More pre-cum glazed her smooth skin. She worked one breast up and the other down, rubbing them out of sync. Evan seemed to like that, as he rolled his head back and closed his eyes. She could feel his cock throbbing more inside her cleavage.
“You want to blow your load all over these big boobs? Come on, Evan. Right here on top.”
“Oh, it’s on its way,” he assured her before inhaling sharply.
“Maybe I should keep them this size. Would you mind?”
“I might be biased, but … fuck … I … yeah that’d be awesome.”
He couldn’t hold back, Cassandra saw. He loved her tits, and that smooth canyon between them was the right size for his cock. It wasn’t more than a minute later when he clenched the sheets hard and pushed his pelvis up. Cassandra looked down just in time to catch a spurt of hot cum on her chin. The rest of it came rushing out, splattering all over the tops of her breasts and oozing between them. She bounced her tits a few more times to coax the rest of it out. Evan’s cock had given her chest a creamy glaze by the time it was over.
“Oh shit,” he panted, collapsing.
Cassandra reached whatever cum she could with her tongue before gathering the rest of it on a finger and pushing it into her mouth. Not many boys were tasty, but she always loved Evan’s. The salty flavor wasn’t so pronounced, and the smooth consistency of it made it easy to swallow. It was how a boy’s cum should taste. Brandi had agreed.
Evan’s cock was deflating as she reached for her phone. The two bras were still on the list, Cassandra saw, and there didn’t appear to be a way to remove them if she wanted to, which could pose some problems. Would the bras always change her body to fit if she wore them? If so, then donating them to Goodwill wasn’t such a smart choice. Some random person might find them and discover the magic they held—if they did work on someone else other than her.
She looked over at Evan, who was still catching his breath.
“Hey, you ever thought about putting on a bra before?”
He turned his head toward her. “What?”
“Oh, just something I was thinking about. The bras will always fit me by changing my shape, but I want to find out if they work on someone else. You want to volunteer?”
“And grow tits?”
“Well, that’s one thing that could happen, yeah. Or nothing happens. It’s, like, a total toss-up.”
Cassandra was already reaching for the 36F bra. She dangled it on her index finger in front of Evan. To test whether this special app worked on more than just her, then he was definitely going all the way with the biggest breasts possible. A pair of smaller breasts would’ve been cute, but Cassandra wanted to see him with some huge hooters of his own.
He reluctantly grabbed it. “I don’t know if—”
“Oh, come on. You scared of having some big tits?”
Evan stared at the bra as if it were some artifact from an alien world. “Yeah. Kind of. I don’t even k
now how to put it on.”
“Sure you do. Stop delaying.” She pointed at the cups. “Those go in front.”
“I know that.”
“For your big boobies,” she added. “If this works, you won’t have to come over to touch my tits anymore. You’ll have some of your own!”
“But—”
“Maybe you can give yourself a tit-job. Can guys bend over that far? We should find out.”
Evan’s cheeks blushed. “Fine. I’ll put it on. Don’t get too excited because nothing’s going to happen.”
Cassandra grinned. “You sure?”
“Yeah, pretty sure.”
Evan slung his arms under the pink straps one at a time, sitting them carefully over each shoulder. After that came the hooks in the back. Try as he might, he simply couldn’t attach them without being able to see them. He told Cassandra as much. She giggled and helped him finish with the troublesome task of putting on a piece of lingerie. The hooks went through the holes, and the cups slid over his boyish chest with nothing to fill them out. Besides that, it was an astonishingly good fit.
“You have a thirty-six band size too?” Cassandra asked.
He looked at her. “I … guess? But nothing’s gonna happen. I told—”
“Then what’s that?” Cassandra pointed.
Like all the other times before, it happened quick. Evan’s chest rushed outward into the void between flesh and satin, swelling into two creamy, round orbs. Cassandra watched as his areolas widened substantially, expanding atop the peaks of his fleshy mountains that defied all logic. In mere seconds, Evan had acquired a rather eye-catching amount of cleavage, thanks to how the bra pushed and lifted his new assets together. On top of that, they were the right size for the cups, and the bra looked as if it had been tailored to fit him exactly. Even his shoulders had shrunk a bit to prevent the straps from being too tight.
Evan now needed that bra.
“Holy fuck,” he gasped, staring down at the dark line between his new breasts.
Cassandra clapped her hands together gleefully. “Oh, it did work! I knew it! Welcome to the boob club, Evan. Aren’t they awesome?”
A Gender Swap Mega Bundle 6 Page 86