Mess with some sisters

The walk began and you wandered after the group, quietly thinking about the world. You were amazed by this new power, and couldnt help but think about who else you could change with it.

You looked around and found three sisters. The elded of which, Cassandra, was a huge harry potter fan. So you made it that she would find a working spell book and wand in the bushes.

The three sisters were walking together, chatting as they went.

Cassandra is the eldest of the sisters, at 23 years old. She is five and a half feet and has long straight black hair. She is slightly chubby and has a nice pair of 36D cup breasts. As mentioned before, her one issue is that she has been brought up around no one else the same age as her, so her mental age is still that of someone many years younger. And most people usually assume she has a learning difficulty. She is currently wearing a knee length blue skirt and a tight black top. It’s not intentionally tight, its just that she can’t be bothered to buy a new top yet as she likes this one.

Amber is the middle of the three. She is 21 years old, five foot three inches tall and has short black hair. Her breasts are a 34B up and she is also slightly chubby. She is currently wearing some black shorts and a loose red top.

Roxie is the youngest sister she is 18 years old and is taller than her sisters, at 6 foot. She has long blonde hair and is stick thin, he small 30A cup breasts barely making a visible curve on her body. All of this came from her fathers genes, and makes her the odd one out. She is currently wearing a pair of black leggings and a white button up top.

“Hey, did you hear that?” Cassandra said, pausing as she was walking.

“Hear what?” Roxie asked, sighing. She sometimes got annoyed with her sister for being too jumpy at thing.

“There was a sort of twinkling sound in the bushes over here, wait a minute. Look!”

“Holy cow” Amber said, “is that a book?”

“Not just any book” Cassandra said, picking it up, “Look it says spell book!”

“Oh for goodness sake Cassandra” Roxie shouted, “Harry potter is not real, magic is not real! Next you’ll say you found a wand too.”

“I did” Cassandra said, lifting up a wooden stick which looked vaguely like a wand, “I wonder.”

“You wonder what?” Amber said

“Well, youre sceptical. I believe in magic. Magic just needs people to believe in it.”

“You’re an idiot” Roxie said.

“Yeah? Well, take this.” Cassandra flicked her wrist as if she was making a spell and pointed the wand at Roxie. She yelped when a white light shot out of the end of the wand. It narrowly missed Roxies chest.

“What the hell” Roxie yelled

“I didn’t know it would do that!” Cassandra shouted back, worried, “It missed anyway.”

“Try a spell” Amber said.

“What no!” Roxie said, “you think Cassandra is the one who’s should be trying spells?”

Before Amber replied, Cassandra flicked open the book to a random page.

“obsessi cum dick” she shouted, flicking the wand again. His time a pink light shot out and hit Roxie square in between her eyes.

“Roxie!” Amber shouted, “You okay?” She ran over to Roxie, who had fallen backwards.

“Cassandra” Roxie said, “You are an idiot. What did you just do to me?”

“Um” Casssandra said, reading the spell.

“Um? Ill give you um!” Roxie stood up but wobbled a bit, feeling uneasy on her feet. “Holy shit”

“You never swear” Amber said, “What did she do you to?”

“My head is just full of. Ew. It’s just full of dicks.”

“Dicks?” Cassandra said

“Yeah dicks, you have made me a pervert.”

“What?” Amber aid, “What do you mean?”

“I have new memories in my head. You know how guys always look at girls tits?”

“Yeah”

“Well, I do the same but to their dicks now. I basically want to suck dick have dick inside of me, play with dick. Oh god Cassandra fix me for the love of god fix me.”

“I dont know how” Cassandra said quietly. “I could try this”

“No dont try anything!” Amber shouted. But it was too late.

Cassandra had flicked her wand and pointed it at Roxie “Gaudens et reset”

Roxie tried to move out of the way of the light but it hit her again. This time in her groin. She looked at Cassandra with anger, which then turned to arousal. One of her hands slipped down her trousers as she started stroking herself. Quite quickly, she brought herself to orgasm, lying on the floor, breathing heavily.

“Well, I am not obsessed with dick now” Roxie said, “but Cassandra dont do that again!”

“Why?” She asked, “I am getting the hang of it!”

“I dont believe that” Amber said. “Here, let me try.”

“No! Back off!” Cassandra shouted. She took a few steps back and pointed the wand at Amber, “One step closer and ill flick to a random spell”

“I am your sister you wouldn’t do that!” Amber took a step forward.

“Sure” Cassandra said, flicking the book to a random page with the wand. She read the spell and flicked the wand at Amber, who looked both hurt and surprised when the spell hit. Cassandra had said “pectus expansion!”

Amber had quickly worked out what that spell was doing to her, as she looked down at her breasts. They were growing. Her small B cup breasts were inflating. Her bra was starting to ache as they grew past a C cup, past a D cup, and into a DD cup. She was holding onto a nearby tree to stop herself from falling over. She was breathing heavily, her face a mixture of pain and arousal. She looked down, her red top was pulled extremely tight, her bra almost tearing at its seams it was an old bra anyway. She took in a deep breath and there was a painful sounding rip as her bra split at the clasp. The girls watched as Ambers breasts bounced down, dropping an inch or two. Amber pulled her old bra out from under her shirt and threw it into the bushes.

“Wont be needing that now!” She joked. But her voice was a mixture of excitement and pain.

“Oops” Cassandra said, “But I mean, you look amazing.”

Amber did, her tight top showed off her curves amazingly, her hard nipples poking through the fabric, and hew new cleavage being shown off due to her neckline being pulled downwards.

“Wow” Roxie said, walking over to help amber. As she was doing that, Cassandra looked in the index of the book, and found a spell she was looking for. one for herself, one which could help her entire life. She pointed the wand at herself and whispered the spell. She shook her head a bit and rinsed. The cobwebs had cleared, she could think straight and clearly. She was now a 23 year old girl, with the mental age of a 23 year old. However ther was one downside. Because she had skipped straight from a teenage mind to a more adult one, her ne 23 year old mind was very...aroused and horny. Eternally. She would find out eventually, and work out how to live with it.

“Yo. Girls” she called to her sisters, speaking with a very early more mature voice, “I fixed my head!”

“What?” Roxie said

“Found the spell to progress my mental age to 23. This is awesome this magic!”

“That’s insane” Roxie said, “Sorry for shouting before its just, your mind was too young and immature and you didn’t know what’s going on and you just dived in.”

“Yeah its alright” Cassandra said, “I didn’t know any better. Now, however, i do. And I still want to cast random spells.”

“Jesus, Cassandra stop it. Look what you did to amber!”

“Yeah i know, she looks amazing. Now, what spell for you?”

“Please just stop!” Roxie said, trying to wrestle the wand from Cassandra, “grow up!”

“Oh i have, that’s why I know i want to do this. crescere ad F poculum!”

“What did that mean?” Roxie asked, just as the pink light hit her in the chest.

“Oh, grow to an F cup” Cassandra said calmly, “This will be fun.”

Unlike Amber, Roxies breasts practically exploded into existence. The was a rumbling she felt in her stomach and suddenly, orgasmic bliss as flesh shot up to her breasts, pushing the sink outwards. Her nipples grew harder and larger as her breasts expanded and grew. She wasn’t wearing a bra because her tits were so small, and now she was thankful of that as her breasts ripped open her top. The top few buttons were destroyed, pinging away into the bushes, as her new F cup breasts **** their way into existence. She was upset she didn’t wear one of her less skin tight tops, as that would probably have contained her breasts a bit better, but it was too late now.

“Fuck” she said as she almost fell forwards, the new center of gravity a confusing thing for her. “These feel”

“Probably amazing” Cassandra said, “They look it for sure.”

“But why?” She asked

“Well, you were just too boring and plain. You needed some curves, so i gave you some. And also it was to test if the spell worked. Which it does.”

“Right, so now we get to cast a spell on you right?” Amber said, stepping forwards, “its only fair.”

“You know what else is fair?” Cassandra said, with an evil glint in her eye

“What?” Roxie asked, leaning against a tree, sounding worried.

“This” Cassandra flicked the wand at both girls casting the same spell. intellectus exhauriunt. Intelligence drain. Her two sisters streamed out, but rather than trying to avoid the spell, simply stood there. They clutched their heads for a moment, and then calmed down.

“You alright girls?” Cassandra said.

“Uh” Amber mumbled, “Yeah we good”

“We good girls” Roxie said. Their minds were very limited now. Hard thinking would give them a headache, and even simple thinking caused them to cloud up.

“Why… Why do that?” Amber asked, “Thinking is hard. You do that?”

“Maybe i did maybe I didn’t”

“So who did?” Roxie asked. Her face screwing up in confusion. My god, cassandra really did a number on her.

“Oh shut up and play with your tits” Cassandra said

“Is that what I do?” Roxi asked, tilting her head like a dog.

“Yup.”

“Okay.” Roxie dumbly replied as she began to poke and jiggle her new breasts. She knew they weren’t this big before, but she couldn’t understand what happened, nor could her brain begin to care.

“Amber. You play with yours too. Let’s catch up with everyone else.”

“Um” amber said, “my what?”

“Your boobs”

“Okay” she simply said. Soon cassandra was leading her two extremely dumbed down sisters back to. the rest of the group. She was about to pocket the spell book for now when she flicked to one final spell to cast.

ut breviori. She cast this one at both of the girls again. Roxie started to shrink first, her height dropping a whole foot from 6 to 5 feet tall. Her breasts didn’t change size, so they looked even larger than before. Her clothing also didn’t change, so she had to pause playing with her tits to roll up her leggings, not that she even seemed to notice why.

Amber shrunk down past five foot, ending at four and a half feet tall. Her breasts also didn’t change, so she also ended up tiny and busty. Her shorts didn’t need to be rolled up though. Cassandra smiled at her work, and you smiled too.

As you followed after them you put a thought into cassandras mind, just a simple one, that she would only ever use the wand and the book on the three of them. You didnt want her going round causing more havoc than youre already causing.