A Mystiquel Convention

Hello there dudes and dudettes,

it is me again, back with another caption.
This is a Patreon request for someone that wants to stay anonymous.

I hope you like it, and until next time stay happy and healthy!

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Marvin had a great day at the local comic-con, and he did what any hot-blooded male as pervy as him does at comic-con: Buying comics and ogling the female cosplayers.
He did not even try to hide it, shamelessly staring at girls and women, ranging from scantily clad to full bodysuits, and even coping a feel when it was crowded enough.
He spent his day like this until he saw a group of girls dressed up as X-Men characters, namely X-23, Jean Grey and Storm, but none of them went as his favorite, Mystique.

Without missing a beat he went over to the group, all the while his eyes never left their boobs or asses.
"Hey there" Marvin greeted the group. "Those are some really nice cosplays!"
"Oh, thank you! It really means a lot, we spent months on those. In fact we pretty much started af-" X-23 began, but she was rudely interrupted by Marvin.
"Yeah, whatever. But why is no one dressed as Mystique. She is THE X-Men woman after all, so how can you not include her in your trio?!"
"W-Well" Vanessa, the girl going as X-23, replied, slightly put off by the interruption. "I mean there is not really much to wear. It would be kind of cold, and none of us feel comfortable dressing so exposing for so many people to see..."
"Why? I mean you are already dressed like sluts, so you could at least go blank to give us real comic fans something to get off to" Marvin crudely said, making the girl's eyes bug out.

"Excuse me?!" Leah, going as Storm, exclaimed as Vanessa was taken aback by the words, her eyes filling with tears.
"You heard me right! You are nothing but fake fans, only wanting to dress like slutty whores for attention! Otherwise, you would have known that going as Mystique is a must!"
This finally made Vanessa cry, having her hobby and costume dragged through the mud like that, with Jana, the girl going as Jean, joining in.
Meanwhile, Leah just got angrier and decided that the sexist pig needs a lesson.
"Well, I don't really see myself as a whore, more like a nutcracker!" she shouted before delivering a very hard kick between Marvin's legs.
The boy in question could only guaff, not even able to shriek out in pain before he started to see black and crumbled to the ground like a wet sack.

"Common gals, this sicko is not worth crying about. What does the asshat know anyways?" Leah then began to comfort her friends until their tears stopped.
At that point they just wanted to go on and forget about the encounter, but Leah stopped them.
"Wait a minute. How about we give this ass what he really wanted?" she said with a mischievous grin, and the other two agreed, wanting revenge on Marvin.

With that they dragged him away from the convention unseen towards the yachting club nearby, dragging him through the open window.
Once inside the girls started their plan to feminize Marvin and make him look like Mystique, beginning with Vanessa removing her bodysuit and the corset underneath.
After that was done Leah too began to strip and removed her breastforms while Jana climbed back out the window and went to the convention.
The two remaining girls then put the breastforms on him, using some glue they found from the boat repair before putting the corset around his torso, making sure to glue the strings.
When they finished this Jana came back with a fake vagina and yellow contact lenses, something she bought at the crossplay-shop at the convention, and they glued it over his dick before adding the contact lenses to his eyes.

"Well, he looks like a girl now, but we still have to make him look like Mystique" Jana remarked as the three stood around the unconscious boy, not knowing how to continue.
But after a few minutes of pondering and looking around the club Leah got an idea of how they can make sure the little chauvinistic pig will learn his lesson.
After she explained the plan to her friends they all started to laugh and giggle as they imagined what Marvin's future will hold for him.
They then began their new plan, with Vanessa going out and collecting some rocks before attaching them to his skin with glue to imitate Mystique's scales.
After that Leah and Jana grabbed some blue boat paint and covered his body from head to toe before using red paint on his hair, making it hard as a rock.
After applying multiple coats the girls stood back, watching the paint dry and waiting for their victim to wake up.

Nearly half an out later Marvin finally began to stir, but he immediately knew something was wrong when he felt a weight on his chest alongside a strong chemical smell.
Despite the drowsiness he stood up, and right away began to scream when he saw his now completely blue skin, adorned with some nice "scales".
"WHAT THE FUCK IS THIS!" he shouted on top of his lungs, completely confused.
"This is revenge for calling us sluts, jerk!" Leah spat out from behind, causing Marvin to turn around and his eyes widened in shock as he saw the trio of girls from before.
"Just so you know we have glued everything onto you with Epoxy, and the paint is made for boats, so good luck getting it off. You probably need a paint stripper for that. See you."

And with those last words the trio began to make their way out the club before Marvin grabbed Vanessa by the arm.
"Oh no you don't bitch! You can't just leave me here like this!" he shrieked, but this was the wrong thing to do as Vanessa turned around and coldly glared at him.
"Yeah, you are right. We can't just leave you like that" she just said before swinging her leg and driving it between Marvin's leg, making the boy crumble again, but not pass out.
As Marvins was wheezing for air in a near fetal position the girls finally left, laughing and giggling as they did so, leaving their victim completely alone.

Said victim took a few minutes before he regained his senses, and once he did he immediately went to a restroom and tried to wash the paint off to no avail.
After multiple fruitless attempts, he made his way back to the spot he woke up at and began to read what the girls applied to him, but was interrupted before he got far.
"Hello? Is somebody in here?" a male voice sounded out, making Marvin freeze on the spot. "This is private property! I will have to call the police if..."
The boy did not need to hear more, and before he could get spotted he made a mad dash, jumping out the window and running away from the boating club.
After he was far enough away he stopped to catch his breath and began to think about his situation more now.
He was somewhere near the convention, with no ID, naked beside some paint on his body, and no clue what kind of paint and glue the girls used.
So after a few minutes of contemplating he sucked in a deep breath, or at least as deep as the corest allowed, and began to make his way to the convention, hoping to find the girls...