This one was a A Request/Gift for a friend on Discord.
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The Glade of Dreams was always riddled with Nightmares and monsters of all shapes and sizes. From the smallest of Toads, to the might and size of the Minotaurs. But of course it was always the giants that always caused the most damage; from dragons, mechanical creatures and even Luchadors that could tower over the tallest castles. While the warriors and heroes of the Glade could fend them off, they were quite tough given their gargantuan sizes. So naturally newer methods of dealing with these nightmares needed to be created.

One night, two Princesses, hailing from the Undersea Kingdom and the Fiesta Kingdom joined forces to try and find a way to fight off the "Giants" as they called them. Emma, the eccentric and adventurous super spy in gold, and Selena, the master of the dark arts from "Fiesta De Los Muertos", met up to collaborate on a secret weapon that they planned on showing to their cousin Barbara. The weapon in question? A Serum that when applied, could make whatever was dosed with it, grow to gigantic sizes equal to that of a Giant. The production of the serum was going along swimmingly, up until the two went to get the final ingredient; the pollen of a mushroom found only in the Medieval Kingdom.

That night the two soon traveled to Barbara's home kingdom, and eventually located the mushroom. The recipe required two hints of pollen, but unfortunately, Emma failed to remember that she had a severe allergic reaction to pollen. With a hard sneeze, she accidentally dropped the entire handful of pollen into the beaker, and after a hard and violet shake, the serum shot out like a geyser, spraying some of itself onto Selena in the process. After Emma's apology was given, Selena made her way to the lake nearby to wash off the scraps of their work off her body, however that wouldn't be the last of her troubles.

As she rubbed and washed her arms, Selena could suddenly hear a loud rumbling building up in her gut. Before she could even turn around, she stumbled forward, as her belly instantly shot outwards and swelled up to a rounder shape. Selena tried to make sense of what was going on. Maybe it was some sort of side effect from their botched up experiment? It had to be the case. But before she could continue her though, the girl's backside soon followed, leaving the black magic master with a completely rounded out body. She slowly moved her arms across her body, blushing a bit in embarrassment at how big she had become. Despite still having some mobility, her movement was heavily slowed, resulting in a rather slow and dopey looking waddle. But the biggest change was yet to come. As Selena looked around, she could have sworn that the forest around her was getting smaller. The trees were starting to look like bushes, the lake like a puddle, and the mountain nearby, looking like a hill from where she was standing. However it only took a few seconds for her to realize what was really going on: The forest wasn't shrinking, but rather, her round, bloated, bottom heavy body was growing. Now like how it did before, but it grew bigger in size, gaining more and more height with each second! Selena couldn't help but chuckle in pure fascination at this revelation. Though, the question of when she was going to stop growing still circled around in her head.

After a bit, Emma came looking for her. Soon she reached the lake, only to bump into something hard. She looked up, expecting it to be a rock, but to her surprise she was greeted by the gigantic boot of her partner and cousin. Upon hearing her shriek, Selena giggled nervously, her growth having come to a halt at an amazing height of 50 feet tall. Assuring her that she was okay, she looked down to her partner and chuckled.

"So.... the good news is that the serum was actually a complete success! Not only have I reached the target size, but I feel a lot more stronger than I did before." She said, raising an arm up in triumph. "However as you can see... we do have some "kinks" to work out. Heh heh heh..."
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Selena © Ubisoft