"Ooh, like, up in my pussy? That sounds great!" She wasted no time opening up the front of her bikini bottom and slipping you inside it. Her crotch was thankfully clean, though her pubes were somewhat unkempt. Nothing too worrisome, though, and as you began kneading the skin around her slit you found it delightfully warm and soft to the touch. "Oohoohoo, that tickles... Uh, like, is that part of it? You just said putting you down there would keep you small..."

With some quick thinking, you 'explained' that it wasn't just being up against her crotch, but her arousal that would keep you small, so you would have to rub and massage her pussy to maintain your stature, and possibly even climb inside. "Oooh~! That sounds like fun, cutie! Can you do that then while I'm, like, venturing through the waterpark? ...O-oh, name! I'm a such a klutz, eehee, call me Tesha!"

You thanked Tesha, and after giving her your own name you said you absolutely could, patting her crotch happily. She lets out another bubbly moan before swaying her hips and beginning to walk...