Black Cat's Love Suite

Are you familiar with the realm where a witch and her ebony feline companion reside in utter bliss? It's a utopia where misfortune is non-existent and melancholy is scarce. However, when the witch passes away, the cat is left to fend for itself. Miraculously, the feline undergoes a transformation and becomes human. What will happen to the black cat as it scours the human realm for its beloved witch?