Noticing none of the mermaids have any clothing on at all, you figure it must be "clothing optional" and start stripping.
Once you've taken everything off, all the mermaids starting grinning even more. "Oh, my..." the red-head says, looking at your fully erect penis. "Is that a banana in your pocket, or are you just happy to see us?"
"Silly, he doesn't _have_ any pockets!" one of the other girls laugh, flipping her tail to splash her. Whether it was an accident or not you can't quite tell, but she happens to get you too.
Well, there's no turning back now. You're wet and you're naked. You may as well go all the way.
Stepping into the water, you're a little surprised to find how warm the water is. It even tingles a little, but that could be just the excitement of being there with all these beautiful women...