''What's that?'' Tom's wife Meryl asked as she entered and saw Tom pouring over a strange looking book.
''It's a magic spellbook.'' Tom said and smirked.
''A magic- Tom, what are you doing with that! You know if you find one of those you're supposed to report it to the police! They're dangerous!'' Meryl said.
''Oh come on honey, where's your sense of adventure?'' Tom replied and smiled.
''Think about all the stories you've heard! There's a reason spellbooks are forbidden. They show up out of the blue, people fool around with them, then they disappear just as quickly!''
''Yeah, but that just means you have to not be stupid and turn yourself into an animal or your friend into a pair of shoes or something. Come on, you've never been curious? You've never wanted to try being something else? Because I've always wondered about one thing.'' Tom said and turned back a few pages in the book.
''Tom, don't!'' Meryl shouted.
''hcim ni sad ztesegnegegtne et tchelhcseg uz nlednawrev!'' Tom read aloud and suddenly began to glow. Meryl gasped as her husband shrank a good half foot and long black hair fell down his rapidly softening face. His clothes and body shifted and soon he was a pretty attractive woman with dark hair and ample breasts wearing jeans and a tank top. ''Cool!'' She said in a high pitched voice.
''You- you wanted to be a woman?'' Meryl asked.
''I just wanted to try it out.'' The woman who had been Tom said and squeezed her boobs and smiled.
Meryl rolled her eyes, ''If you think you're going to get me to lez out with you, forget it. I'm not gay.''
''Good cause neither am I.'' Tom said and smiled wickedly, ''nlednawrev eis rhi ni neredna tchelhcseg!''
Meryl felt her body begin to tingle, ''You didn't!'' She said and watched the world seem to get smaller around her. She realized she was growing, but not everywhere. She looked down and her breasts receded into her chest. Her scalp tingled and she reached up and felt her hair was short now. Her face was different too, more boxy and covered in fine stubble. Lastly she felt a sudden and intensely pleasurable sensation in her crotch followed by a tightness she wasn't familiar with. She knew what had happened. She was a man now.
''Woah.'' She was all she could say in her deep pitched voice.
''I know, right?'' Tom said and started to approach Meryl, stripping at the same time.
''What're you-'' Meryl paused as she realized the tightness in her crotch was getting worse. It was very uncomfortable and she reached down and undid her jeans. Her rock hard cock leapt forth. ''Woah.'' She repeated and stared at it.
''Woah is right.'' the now naked Tom said and dropped to his knees in front of Meryl. Without pausing, he opened his mouth and got to work sucking.
''Oh my god!'' Meryl grunted, ''That's so fucking good! No wonder you were always asking for this!''
Tom looked up and seemed to smile with his eyes as he continued sucking. That look turned Meryl on even more. She wanted him to go faster, harder, deeper. Before she'd even realized what she'd done, Meryl had her hands on the back of Tom's head, pushing him further onto her cock as she bucked her hips, fucking his throat. Tom gagged a little and grunted, but he didn't seem to resist. Meryl felt like she was building to something. Almost like she had to go to the bathroom, but way more pleasurable. She didn't know if she could control it and she didn't want this to end yet.
She let go of Tom's head and pulled back, but it was already too late. She grunted as the pressure built to a head and she burst, cumming all over Tom face and in his mouth. She couldn't believe she'd just done that. She couldn't believe how hot she thought Tom looked like that, on his knees covered in cum. Tom looked up and licked the tip of Meryl's cock, gently pumping the last few drops onto his tongue.
''That was the best sex I ever had.'' Meryl said as she gasped for breath.
Tom giggled. ''That was just a blow job.''
Meryl looked over and saw the spell book. It was still there. It hadn't vanished. They could still change back.
But she didn't want to. She wanted to fuck the incredibly hot creature Tom now was.
''Are you thinking like a guy now? Do you think I look hot covered in your cum?'' Tom cooed.
''I do. Does that mean you're thinking like a girl? Don't you think it's gross?'' Meryl asked, knowing from how Tom looked the opposite to be true.
''I think I'm a pretty slutty girl. I love knowing how hot you think I am right now. It's really turning me on. I want you to get hard again so you can stick this thing inside of me.'' Tom said and continued to stroke Meryl's cock. Meryl felt a tingling at the words and knew Tom wouldn't have to wait long.
After a weekend of fucking every possible way they could think of Tom and Meryl lay exhausted in their room. Meryl glanced over at the nightstand where the spellbook sat unmoved.
''It's still there.'' Meryl grunted as she stroked Tom's naked back.
''God that's almost a pity.'' Tom laughed and sat up, leaning against Meryl.
''Do you mean that?'' Meryl asked, suddenly very serious.
''Mean what?'' Tom asked.
''Well, what if we just ditch the spellbook in a dumpster somewhere and then say it vanished, like always happens in those stories. Sure we'd have to pay a fine for not reporting finding the spellbook, but we'd be stuck the way we are now and no one would think it especially weird.'' Meryl said.
Tom rolled over and looked up at Meryl with a strange expression. Then he leapt up and kissed her, ''That's the best idea I've ever heard.'' Tom said and their kissing soon devolved into another round of sex.
Afterwards they were driving down a deserted country road and Tom rolled down the window, chucking the book into the ditch.
''You know I wonder.'' Tom said as he rolled the window back up.
''What?'' Meryl asked.
''Just how many people do this?'' Tom asked and they both laughed.
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Original author: Joeberan Sent to my by Cbrorigins.
Repost of a caption already on this site to add the missing image.