Hiding in the bubbles as the party begins

Finally, after laying helpless in the tub for almost half an hour, the moment Lauren was dreading arrived. She heard the door open, then voices in the other room. Vanessa's party guests were here! In Lauren's own house, while she was naked in the tub with only bubbles to hide her shame! Lauren sunk lower in the water, making sure everything was covered.

Over the next ten minutes, she heard more and more people arriving. She heard men's voices and women's. Some she recognized as Vanessa's bitchy friends. Some she could tell were her own. Nervous, borderline terrified, Lauren cupped her breasts under the water, feeling the smallness with growing fear of exposure...

Then, the moment she was dreading happened. The bathroom door swung open. Loud music came in, along with a beautiful 19 year old Lauren recognized as a member of Vanessa's cheerleading squad. A tall athletic black girl named May. She walked in, then paused and slowly turned her head towards Lauren.

"Is that... Lauren?" She asked in shock. Lauren couldn't muster a reply, except her cheeks turning pink instantly.

"It is you! What are you doing in the tub?" May asked.

"Uh..." Was all Lauren could manage. May just started laughing.

"Oh, this is wild! Hey guys, get a load of this!" May called out to the party...