Spin-off
Over the course of the film, Shizuku is working on a fantasy novel that revolves around a cat figurine, named The Baron, which she discovers in Mr. Nishi's antique store. In 2002, Studio Ghibli produced a spin-off film The Cat Returns, directed by Hiroyuki Morita and again featuring The Baron in the film.
Read more about this topic: Whisper Of The Heart (film)