Not Quite an Animagus
They both shrunk in size drastically, nearly disappearing into their robes before they fell off leaving them naked. then, they each grew tails.
The Price To Pay (Anonymous Commission)
Ninetails closed his eyes, listening and feeling the little lopunny, shrunk to just a few inches tall, inside mewtwo's ballsac.
It's Called Mini Golf
His body shrunk down in size, until while standing upright he was only three feet tall, his tail become a lot fluffier and, and his ears a bit longer and less round.
Blue Balls Ch. 3
This had however shrunk her assets down but she didn't mind she'd rather be hung and able to move instead of hung and stuck on a bed for the rest of her life.
A Matter of Inches: Episode 7
Shakal's figure shrunk more and more, down to two feet, then one-and-a-half.
Cat’s Chronicles Chapter 2: Naked and Afraid
The goo shrunk down and shifted its shape, taking on a green hue. down and down it shrunk, molding into a shape that resembled the very cat before it.
Surprise
The shrunk otter screamed even more with his high-pitched, tiny voice, while her fingers pushed him against the urethra, shoving whole body inside.
A Treasure of Time 2
All he could do was stare helplessly up at the various sea-dragons as he shrunk to a height that didn't even reach their knees. his head dropped down, and his cock was tickled by the longer blades of grass around him.
New Year Baby
His feathers shrunk in and his tail lowered as he realized that everyone, humans and mesozoicans were staring at him. "what? why's everyone looking at me?" "you get to be baby new year!" rebecca said.
Rodent Assistance
At the time he had still been wearing his green cloak since he hadn't shrunk yet. calex of course wasn't wearing anything. kickaha was fairly certain he didn't actually own any form of clothing. "just make a wish and toss it in!
Changing Bonds
As he did so i could feel the adrenaline and excitement wear off and i watched as my penis shrunk into its furry sheath.
Visitors
He listened to it fall, then shrunk himself down and swooped after it.