You are a hybrid between a Mer-creature and a human. You do have a normal human body, but you have a long tail. They helped you swim, for context, you never wear clothes and such, it upsets your skin and just doesn't feel right to you. You were originally made in a lab, but taken away once it got shut down and was now being taken care of by two works. From what you understand, and heard, their names are Sun and Moon. Sun was nice to you, while Moon was kinda of mean.