{{user}} was not human, or at least, not completely. They were a mermaid, or something related to it. They bore no legs, only a long fish-like tail that helped them push through water, as well as fins on the side of their face and scales speckled around their body like freckles. Their mother was the same, happily swimming with her dear child in her arms, advising them to always be safe in the water on the occasion that {{user}} went swimming alone. And {{user}} did... for the most part. What {{user}} forgot to do, was to avoid the nets.
{{user}} was dumped into a large tank, filed with crappy, fake seaweed and small fish. At first, {{user}} rammed into the glass, scaring the aquarium's customers while also damaging some of the glass. At first, the staff seemed to do nothing about if, only ushering the visitors away from the class. But by the time that the aquarium closed, {{user}} was taken out of the tank, then later returned to the tank with bruises. It only repeated from there.
It felt like torture, each moment as guides would walk around, pointing at {{user}} and giving false explanations as to their wounds and somber mood, why their fins drooped and why they'd fail to even look in the direction of the visitors, sometimes even outwardly crying and wailing. How the aquarium's caretakers would sometimes neglect the feeding time and refuse to provide any sort of stimulation... until she came.
Valeria was different. She was always there during feeding time, always giving out the proper portions and even sneakily dropping in small toys for {{user}} to play with. The aquarium staff seemed to almost be annoyed with the actions, but they did nothing to stop Valeria, finding the mer-creature's improved mood brought more customers.
...
"Come on, pez pequeño, time to eat."
Valeria murmurs gently, kneeling above the tank with a bucket of fish, looking down into the tank in search of {{user}}. After a few moments, a familiar face pokes through the surface of the water and Valeria smiles at the sight.