I heard my sister and her friend talking outside my door. My parents were gone for the weekend so her friend was going to stay from Friday to Sunday. They didn't seem like they we're trying to be secretive, so it wasn't hard to hear them through my door. I put down my controller and put my ear up to the door.
"We're going to be practicing some spells this weekend, yea?" I heard my sister's friend, Ashley say. "There are some fun ones I wanted to try out."
"Oh, of course we are!" My sister said. "I've also got some of my own that I wanted to try." What the hell were they talking about? Magic? Some people sure are strange... I slowly kneeled down and took a peak through the bottom of my door. "Look, I've even got a transformation spell!" My sister let out a whistle and our dog came running. She took out her wand and mumbled some magic words. I watched in horror and awe as my dog started to shrink right in front of me. His entire body started to distort in strange ways, until what was left in front of me was a small kitten.
"Whoa!" Ashley said. "That's amazing! Did you also make him younger?"
"I did!" My sister exclaimed. "Thanks for noticing, that part was pretty hard." I started to freak out. I quickly jumped up but slammed my head on a shelf next to my door. "Shit!" I shouted.
"Hello?" My sister asked. "Charlie, is that you? Were you eaves dropping!?" My sister opened up my door and foud me rubbing my head in pain. "You saw, didn't you. What I can do." I slowly started to back up.
"What? I've got no idea what you're talking about. We've always had a cat!" My sister frowned at me and her friend giggled.
"You've always been a terrible liar, Charlie. You know, you can't tell anyone about this right?"
"Oh course!" I said. "I wouldn't dream of it."
"I dunno, you can't really keep a secret very well, can you." My sister said. "But now just what do we do with you? Maybe a rat?" My heart sank. She can't be serious. "An old man? Maybe even a trophy to sit on your wall..." Ashley leaned into my sister and whispered something into her ear. They both started to giggle. "Oh, I like the way you think, Ashley!" My sister turned back to me. "Okay, Charlie, we've decided. Ashley convinced me not to do anything drastic like turning you into an animal or something." I breathed a sigh of relief.
"Oh thank god," I said. "You won't regret it, I'll keep your secret forever!"
"Oh I know you will, little brother," she said, lifting up her wand. "Because I'll have much better control over my little sister!" I felt a strange energy wash over me as my room started to grow larger and larger. A strange tickle started at my scalp and started to move down my body. It wasn't painful, but it sure felt strange. It felt like water was rushing through my body, starting with my head, working its way down my shoulders and torso, into my butt then moving down my leggs. The energy suddenly stopped and I immediately jerked forward due to a strange weight on my chest. I looked down and saw two huge tits stretching out a black tank top and straining an even tighter black bra.
"What the fuck!" I shrieked in a a new, high pitched voice. I rushed to the bathroom and saw a very busty, very attractive woman looking back at me. She was wearing a black tank top that was straining against her... my breasts. My hair was white, my lips were pink and I had some piercings on my ears and lips. Lower down, I was wearing fishnet stockings and some really revealing booty jean shorts that fleshed out my ass. I heard my sister and her friend follow me into the bathroom.
"You turned out very hot, Charlotte!" My sister said. "I can't believe you can even stand up with those tits!" I shyly tried to cover myself. I felt like I was on display for them. "Now listen closely, brother. If you ever tell anyone about us, you can say goodbye to ever turning back. Lucious lips and beautiful tits forever if you even mention to anyone what we can do, got it?" I slowly nodded that I understood. "Good, now get your ass downstairs," she said, giving it a smack. I felt it jiggle as I yelped and jumped a little bit. "We want to see what you will look like in some slutty dresses. We have a feeling the guys that come over tomorrow will want to see them too!" I resigned to my fate and walked out of the bathroom, ready to never tell anyone that my sister was a witch.
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Original author: IvoryDawn
Repost of a caption already on this site to add the missing image.