Although greatly abbreviated and simplified, and in a back-and-forth sequence, almost all of the dialogue and narration is based on words extracted from the original story. The setting of the original film (1957), in which long-distance calls are connected to a switchboard so that the recipient knows where the call is coming from, has been eliminated, and the public telephones are digital telephones installed after 1996. Other alterations include the following.

Country: Japan

Language: Japanese