You were in utter disbelief at this news. Sure like many girls growing up you had a vested interest in mermaids, often indeed dreaming of being one yourself. Heck growing up many of your favourite movies, TV Show episodes and stories involved mermaid transformations...
...Just you were more for Human to Mermaid transformations with some opposing to the opposite, maybe why you found Disney’s Little Mermaid 2 more applying then the original in fan terms “I’ll go for mermaid” you eventually answered. “So you’ll be wanting the Pink lighted path to my left then” the worker accepted “To clarify this side leads to merchild transformations while the other I pointed out leads to non-age altering transformations”. “Understood” you thanked.
“Also please sign your name here alongside on the provided bag’s tag” the worker then said as she got this bag out “See towards the tunnels’ end is where the changes happen but we’re required to ensure those undergoing experiences don’t go losing their clothes as... well we’re not completely like most stories with transformations”. “Oh...right” You accepted while writing your name down on both this list and the bag. “All set then. Now remember before entering the water be sure to at least be naked from the waist down” the worker reminded you.
Before you knew it you had travelled down the standard mermaid tunnel and had reached the point where it gave way to a sea opening alongside a small collection of similar bags to the one you had been given stored in a side-opening. As instructed you stripped down and put everything into the bag and put it with the others after closing it. Then fearlessly dived into the water.
At first expecting to be needing to swim some meters as you started once deep enough your body started to undergo a seizer-like process as it underwent the transformation. Your legs were pulled together before your skin started merging them into a single limb. Your toes started extending and branching out as silvery-blue scales started forming over everything from the waist down, the scales even covering your Vigina but not actually rendering it gone. Once your scales had finished appearing a light-blue membrane formed between the branches to create a tailfin. As this happened a smaller pair of fins came out of your forearms and a similar but longer one formed around your waist and along the back of your tail. What’s more as this finished you realized that for awhile after this started you had been breathing the water and your eyes were altered to be supported by the water as well. You were indeed now a mermaid.
Joyful at the finished resulted you decided to waste no time in swimming of to join your fellow merfolk in the park’s ocean: