"I've heard from people that there are girls here who are... er, non-human."
"Ah, anthros, you mean?"
"Yeah." Specifically, it was one particular review of the Spa you found online, of someone talking about how he " Got to go nuts in the massive mouth of a hot alligator babe, 10/10 will come back weekly." That was one of only two reviews you saw that mentioned non-human girls, and it was perhaps the thing that piqued your interest the most.
Kayley smiled. "Well, then you heard correctly, little one. The Shrink Spa prides itself with having a variety of rooms designed for the comfort of animal ladies from a variety of biomes. And they're all as sweet or sadistic as our tiny guests require, no matter the temperament of their species!"
"Ooh! ...Wait, but where do these anthro girls even come from?"
At your question, she laughs, making her chest bounce. "Now, now, it's best we don't reveal all our secrets to the public, don't you think?" She then picked you up, bringing you to the back of her bikini bottom and opening it up. "Now, how about I get you comfy and walk you to one of the anthro biomes?"
"S-sure. Should I tell you where, or—Whoop!"
Kayley pushes you right into her butt cheeks, getting you snug. "Don't worry, little one. I'm an expert in figuring out where a tiny would want to be when it comes to anthros. You just sit back and enjoy the ride."
"Mmph... O-okay..."
And off she walked, her glutes giving you a nice full-body massage with every stride. You couldn't help but squirm a bit in pleasure, your clothes feeling all the more tighter. She let out a little fart in your face, one that felt more like a luxurious perfume—you didn't know if that was something all the staff girls here had, or if Kayley was going above and beyond for a first impression. Guess you won't know for sure until you meet more staff.
After a few minutes of walking, you felt Kayley come to a stop. "We're here, little one!" She pulled you out of her ass, revealing she brought you to...