nobodyspecific123
15 year-old Isabella is offered an opportunity to forward the cause of science, and be the subject of a historic operation: adding working organic material to a human. However, to make space for a tail to connect to the brain, there's only two non-vital connections that can be weakened: those responsible for continence. The ears and tail of a cat comes at the cost of wearing and using diapers 24/7, for a few years. Most in that situation would have considered themselves unlucky, but Isabella is a bit different from most in one particular manner...