Fujio Tokita

In a small village in a valley everyone who reaches the age of 70 must leave the village and go to a certain mountain top to die. If anyone should refuse they would disgrace their family. Old Orin is 69. This winter it is her turn to go to the mountain. But first she must make sure that her eldest son Tatsuhei finds a wife.

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.