Chloe tests out a new special brownie recipe and turns herself into a baby. Then her sister, Carrie the Pikachu, comes in and has some fun with her.

Tried out making an age regression story, I think it went well. Now that I have a character relationship, I think I'm actually developing a bit of a storyline. Hey, now that I've created Carrie, I now have a Pichu, a Pikachu and a Raichu character! Awesome.

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Chloe the Pichu

Chloe had just gotten all the ingredients she needed for her special batch of brownies. They contained a selection of ingredients that would turn whoever eats it into a baby. "Hahaha, this will be perfect to use on my victims!", Chloe said as she put the combination into the oven. "I can't wait to see how it works."
After a little bit of waiting, the brownies were finally done. Chloe took them out of the oven and set the pan on the counter.
"Now, I'll test it out on myself!", she said. She took some of the fresh brownie and ate it.

Chloe immediately felt the change in her body. She was shrinking fast, she saw her tail and ears changing, and she was turning yellow. In a matter of seconds, Chloe had transformed down into a Pichu.
"Excellent! My formula worked!", Chloe said as she studied her smaller new form. The first thing she noticed besides her size was the fact that her voice was now light and babyish. "It is going to take a while to wear off. But as long as I keep eating these, I will stay as a Pichu! Now, what shall I do in my baby form?"
Just then, Chloe's sister Carrie the Pikachu waked in. "Hi! Just came for a visit. Where are ya, Chloe?", said Carrie as she was looking around. Chloe walked up to her sister. "Hello there, Carrie. Do you like my new form?" she said.
Huh? Is that you, Chloe?", asked Carrie, who was pretty surprised. "What happened? Why are you a Pichu?"
"You see those brownies on the counter?", Chloe started to explain. "Well, I made them with some special ingredients. Whoever eats some of it will be transformed into a baby!"
"Oh, so another one of your experiments? That's pretty cool," said Carrie. "Awww, you look so cute! Let's have some fun together!" She then picked up Chloe gently.
"Hey, what are you doing!?" Said Chloe. She tried to struggle, but she was too weak now in her baby form. "Don't worry, you're gonna like this!", responded Carrie with a smile.

Carrie brought Chloe to the babying room, which they sometimes used for their victims. "First, you need to be put in a diaper," said Carrie as she pulled out one of the thick white cloths. Then she put Chloe onto a changing table. "Hold still now," she said, then she carefully wrapped the diaper onto Chloe. When she was done, she sat Chloe up. Chloe just pouted and had a mad face. "This diaper may be crinkly and plushy and even comfortable, but this is just damn embarrassing," she thought to herself.
Carrie leaned in close to Chloe and grinned. "Now don't have that grumpy face! You look really cute in a diaper!" She said cutely. Then she playfully pinched Chloe's cheek.
That just made Chloe angry. "Don't do that to me, bitch!", Chloe said. She then swiftly scratch Carrie on the face, causing her to stumble back. Now it was Carrie who had the mad face. "How dare you say those words to me and then attack me like that!", she yelled back. "For that, you deserve to be spanked!"
Now Chloe was scared. Carrie went and turned Chloe over, pulled down her diaper, and started to slap her across the bottom.

It hurt more and more with each hit. Chloe thought she could feel some electricity go through her during each slap. Still, Carrie forcefully continued to hit Chloe on the bottom, to the point where Chloe was begging for her to stop. Finally, the spanking was over. Chloe was crying a lot.
Carrie calmed down a bit. "Well, you've learned your lesson now," she said. "Now say you're sorry!" "I-I'm sorry, Carrie..." Chloe said softly and sadly. She rubbed her bottom because it was still hurting.
"Good. Now you just need a pacifier," said Carrie. She took out a yellow pacifier and stuck it in Chloe's mouth. "At least you'll stop crying now," she said as she started smiling again. "I'm going to go get you a bottle. You just stay here and play with those toys." Then she left the room to let Chloe walk around.
Chloe got down, and there were a bunch of toys scattered across the floor. She went to play with some toy cars. She was surprised at how much fun she was having. "Why is this so fun?", she said to herself as she was playing and sucking on her pacifier. "I should be more mad than this. But I think I'm…enjoying it."
After a few minutes, Carrie came back in with a baby bottle full of milk. She picked up Chloe and took the pacifier out of her mouth. "Time for you to be fed!", said Carrie cheerfully. Then she sat down in a rocking chair with Chloe on her lap, and carefully leans the bottle into her mouth.
Chloe was happily sucking on the bottle as Carrie was humming to her and rocking gently on the chair. It was very comfortable, she thought, the way she was being held and the way the warm milk tasted. Soon, she had drank all of the milk. She let out a short burp.
"Hehe, you must've been pretty hungry!", said Carrie as she rubbed Chloe's belly. Then Chloe yawned, and her eyes started to droop.
"Awww, is little Chloe starting to get tired?", said Carrie nicely. "Come on, let's put you in your crib so you can nap." She stood back up, put the pacifier back into Chloe's mouth, and placed her in a crib that was nearby.
She patted Chloe's head. "See how much fun that was?", Carrie said sweetly to her. "Don't you worry, I'll be back in a few. Hah, I should try some of those brownies myself!" Then she walked off.

Chloe was very comfy in her Pichu form, having now been babied and in a crib with a pacifier. She crinkled her soft diaper in enjoyment and began to let herself fall asleep.
"I am so going to use this formula again," Chloe thought to herself before she slowly closed her eyes and drifted off.