Kashi bōto jū san-gō

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.

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