Tsuru ni Notte: Tomoko no Bouken
English name: On A Paper Crane: Tomoko's Adventure
Genres: Drama
Type: Movie, Episodes: 1
Aired: Jul 17, 1993
Studio: Mushi Production
Source: Unknown
Rating: G - All Ages
Synopsis:
A young girl named Tomoko visits the Hiroshima Peace Memorial. There she has a mysterious meeting with Sadako, the little girl who was 2 years old when the U.S. dropped the bomb on her city during WWII and 11 when she died from the effects of radiation poisoning. Sadako takes Tomoko on an eye-opening journey.

(Source: AniDB)