You noticed a large tent that had a pet shop sign on it, so you decided to walk in just to browse the different animals there. When you stepped inside a girl who looked like she was in her early twenties greeted you,"Welcome to the Mysterious Pets Emporium. My name is Dalia, how may I help you today?"
You looked to Dalia and said,"Just browsing around for now."
Dalia smiled cheerfully and said,"Okay, when you find something just tell me alright?"
You looked at Dalia then walked past her and towards the various animals that she had. What you saw in stock there actually surpised you, and made your jaw drop every time you saw a different animal. Large cages were placed all over and there were animals like winged lizards, multi-tailed foxes, long lizards with fur and more. There was even a selection of regular animals, but they didn't quite grab your attention as compared to the others in the store.
You eventually decided that you've seen enough and motioned to leave the store when you felt a hand on your shoulder. You turned around to see the girl again and she looked to you and smiled,"So what's your choice? I have many supplies for my animals too."
"I uh, was just browsing to see what you had. I'm not buying, sorry." You said
The girl paused for a second then smiled and said,"Oh, that's okay then, you'll make a nice addition then."
"Wait, what do you me...." you began but suddenly you were overcome by a sudden surge of tiredness like no other. You fell onto the ground and blacked out for some strange and unknown reason.
When you woke up your head pounding, and all you could hear was the sounds of animals. Suddenly you saw one of them walk over to you and begin inspecting you closely. "Hi there," the animal spoke in a voice sounding similar to that of a 5 year old kid.
"Huh? Wait you can spe...." you began but realized that your voice sounded just like the animal in front of you. You then looked down and screamed,"WHAT THE HELL?!?!?!"
Your body wasn't human anymore, and you were inside of a large cage with lots of other animals all of the same species and gender as you were. You couldn't believe your eyes seeing that you had become an juvenile version of that species too. You had become a.....
(Add more if you have any ideas.)