A young boy and a girl with a magic crystal must race against pirates and foreign agents in a search for a legendary floating castle. Keiko Yokozawa, Mayumi Tanaka, Minori Terada, Kotoe Hatsui, Fujio Tokita, Ichiro Nagai, Hiroshi Ito Added on HBO 2023-06-27, leaving 2024-05-27. Youtube Trailer